665828912

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 1606754304

約数和(自身を除く): 940925392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 71, 73, 74, 112, 124, 142, 146, 148, 217, 248, 259, 284, 292, 296, 434, 496, 497, 511, 518, 568, 584, 592, 868, 994, 1022, 1036, 1136, 1147, 1168, 1736, 1988, 2044, 2072, 2201, 2263, 2294, 2627, 2701, 3472, 3976, 4088, 4144, 4402, 4526, 4588, 5183, 5254, 5402, 7952, 8029, 8176, 8804, 9052, 9176, 10366, 10508, 10804, 15407, 15841, 16058, 17608, 18104, 18352, 18389, 18907, 20732, 21016, 21608, 30814, 31682, 32116, 35216, 36208, 36281, 36778, 37814, 41464, 42032, 43216, 61628, 63364, 64232, 72562, 73556, 75628, 81437, 82928, 83731, 123256, 126728, 128464, 145124, 147112, 151256, 160673, 162874, 167462, 191771, 246512, 253456, 290248, 294224, 302512, 321346, 325748, 334924, 383542, 570059, 580496, 586117, 642692, 651496, 669848, 767084, 1124711, 1140118, 1172234, 1285384, 1302992, 1339696, 1342397, 1534168, 2249422, 2280236, 2344468, 2570768, 2684794, 3068336, 4498844, 4560472, 4688936, 5369588, 5944901, 8997688, 9120944, 9377872, 10739176, 11889802, 17995376, 21478352, 23779604, 41614307, 47559208, 83228614, 95118416, 166457228, 332914456, 665828912]

約数ペア:

[(1, 665828912), (2, 332914456), (4, 166457228), (7, 95118416), (8, 83228614), (14, 47559208), (16, 41614307), (28, 23779604), (31, 21478352), (37, 17995376), (56, 11889802), (62, 10739176), (71, 9377872), (73, 9120944), (74, 8997688), (112, 5944901), (124, 5369588), (142, 4688936), (146, 4560472), (148, 4498844), (217, 3068336), (248, 2684794), (259, 2570768), (284, 2344468), (292, 2280236), (296, 2249422), (434, 1534168), (496, 1342397), (497, 1339696), (511, 1302992), (518, 1285384), (568, 1172234), (584, 1140118), (592, 1124711), (868, 767084), (994, 669848), (1022, 651496), (1036, 642692), (1136, 586117), (1147, 580496), (1168, 570059), (1736, 383542), (1988, 334924), (2044, 325748), (2072, 321346), (2201, 302512), (2263, 294224), (2294, 290248), (2627, 253456), (2701, 246512), (3472, 191771), (3976, 167462), (4088, 162874), (4144, 160673), (4402, 151256), (4526, 147112), (4588, 145124), (5183, 128464), (5254, 126728), (5402, 123256), (7952, 83731), (8029, 82928), (8176, 81437), (8804, 75628), (9052, 73556), (9176, 72562), (10366, 64232), (10508, 63364), (10804, 61628), (15407, 43216), (15841, 42032), (16058, 41464), (17608, 37814), (18104, 36778), (18352, 36281), (18389, 36208), (18907, 35216), (20732, 32116), (21016, 31682), (21608, 30814)]