28515256

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 72025200

約数和(自身を除く): 43509944

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 119, 136, 154, 187, 196, 238, 308, 374, 389, 392, 476, 539, 616, 748, 778, 833, 952, 1078, 1309, 1496, 1556, 1666, 2156, 2618, 2723, 3112, 3332, 4279, 4312, 5236, 5446, 6613, 6664, 8558, 9163, 10472, 10892, 13226, 17116, 18326, 19061, 21784, 26452, 29953, 34232, 36652, 38122, 46291, 52904, 59906, 72743, 73304, 76244, 92582, 119812, 145486, 152488, 185164, 209671, 239624, 290972, 324037, 370328, 419342, 509201, 581944, 648074, 838684, 1018402, 1296148, 1677368, 2036804, 2592296, 3564407, 4073608, 7128814, 14257628, 28515256]

約数ペア:

[(1, 28515256), (2, 14257628), (4, 7128814), (7, 4073608), (8, 3564407), (11, 2592296), (14, 2036804), (17, 1677368), (22, 1296148), (28, 1018402), (34, 838684), (44, 648074), (49, 581944), (56, 509201), (68, 419342), (77, 370328), (88, 324037), (98, 290972), (119, 239624), (136, 209671), (154, 185164), (187, 152488), (196, 145486), (238, 119812), (308, 92582), (374, 76244), (389, 73304), (392, 72743), (476, 59906), (539, 52904), (616, 46291), (748, 38122), (778, 36652), (833, 34232), (952, 29953), (1078, 26452), (1309, 21784), (1496, 19061), (1556, 18326), (1666, 17116), (2156, 13226), (2618, 10892), (2723, 10472), (3112, 9163), (3332, 8558), (4279, 6664), (4312, 6613), (5236, 5446)]