287541488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 623293440

約数和(自身を除く): 335751952

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 67, 94, 104, 134, 188, 208, 268, 376, 439, 536, 611, 752, 871, 878, 1072, 1222, 1742, 1756, 2444, 3149, 3484, 3512, 4888, 5707, 6298, 6968, 7024, 9776, 11414, 12596, 13936, 20633, 22828, 25192, 29413, 40937, 41266, 45656, 50384, 58826, 81874, 82532, 91312, 117652, 163748, 165064, 235304, 268229, 327496, 330128, 382369, 470608, 536458, 654992, 764738, 1072916, 1382411, 1529476, 2145832, 2764822, 3058952, 4291664, 5529644, 6117904, 11059288, 17971343, 22118576, 35942686, 71885372, 143770744, 287541488]

約数ペア:

[(1, 287541488), (2, 143770744), (4, 71885372), (8, 35942686), (13, 22118576), (16, 17971343), (26, 11059288), (47, 6117904), (52, 5529644), (67, 4291664), (94, 3058952), (104, 2764822), (134, 2145832), (188, 1529476), (208, 1382411), (268, 1072916), (376, 764738), (439, 654992), (536, 536458), (611, 470608), (752, 382369), (871, 330128), (878, 327496), (1072, 268229), (1222, 235304), (1742, 165064), (1756, 163748), (2444, 117652), (3149, 91312), (3484, 82532), (3512, 81874), (4888, 58826), (5707, 50384), (6298, 45656), (6968, 41266), (7024, 40937), (9776, 29413), (11414, 25192), (12596, 22828), (13936, 20633)]