636681472

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 1529500672

約数和(自身を除く): 892819200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 73, 112, 124, 128, 146, 157, 217, 224, 248, 256, 292, 314, 434, 448, 496, 511, 584, 628, 868, 896, 992, 1022, 1099, 1168, 1256, 1736, 1792, 1984, 2044, 2198, 2263, 2336, 2512, 3472, 3968, 4088, 4396, 4526, 4672, 4867, 5024, 6944, 7936, 8176, 8792, 9052, 9344, 9734, 10048, 11461, 13888, 15841, 16352, 17584, 18104, 18688, 19468, 20096, 22922, 27776, 31682, 32704, 34069, 35168, 36208, 38936, 40192, 45844, 55552, 63364, 65408, 68138, 70336, 72416, 77872, 80227, 91688, 126728, 130816, 136276, 140672, 144832, 155744, 160454, 183376, 253456, 272552, 281344, 289664, 311488, 320908, 355291, 366752, 506912, 545104, 579328, 622976, 641816, 710582, 733504, 1013824, 1090208, 1245952, 1283632, 1421164, 1467008, 2027648, 2180416, 2487037, 2567264, 2842328, 2934016, 4055296, 4360832, 4974074, 5134528, 5684656, 8721664, 9948148, 10269056, 11369312, 19896296, 20538112, 22738624, 39792592, 45477248, 79585184, 90954496, 159170368, 318340736, 636681472]

約数ペア:

[(1, 636681472), (2, 318340736), (4, 159170368), (7, 90954496), (8, 79585184), (14, 45477248), (16, 39792592), (28, 22738624), (31, 20538112), (32, 19896296), (56, 11369312), (62, 10269056), (64, 9948148), (73, 8721664), (112, 5684656), (124, 5134528), (128, 4974074), (146, 4360832), (157, 4055296), (217, 2934016), (224, 2842328), (248, 2567264), (256, 2487037), (292, 2180416), (314, 2027648), (434, 1467008), (448, 1421164), (496, 1283632), (511, 1245952), (584, 1090208), (628, 1013824), (868, 733504), (896, 710582), (992, 641816), (1022, 622976), (1099, 579328), (1168, 545104), (1256, 506912), (1736, 366752), (1792, 355291), (1984, 320908), (2044, 311488), (2198, 289664), (2263, 281344), (2336, 272552), (2512, 253456), (3472, 183376), (3968, 160454), (4088, 155744), (4396, 144832), (4526, 140672), (4672, 136276), (4867, 130816), (5024, 126728), (6944, 91688), (7936, 80227), (8176, 77872), (8792, 72416), (9052, 70336), (9344, 68138), (9734, 65408), (10048, 63364), (11461, 55552), (13888, 45844), (15841, 40192), (16352, 38936), (17584, 36208), (18104, 35168), (18688, 34069), (19468, 32704), (20096, 31682), (22922, 27776)]