257028686404

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2617}}^1\times {\mathrm{6343}}^1$

素因数の和:9057

約数の個数: 72

約数和(自身を含む): 530146256640

約数和(自身を除く): 273117570236

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 2617, 3871, 5234, 6343, 7742, 10468, 12686, 15484, 18319, 25372, 36638, 44401, 73276, 88802, 128233, 177604, 206743, 256466, 310807, 413486, 501097, 512932, 621614, 826972, 1002194, 1243228, 1447201, 2004388, 2894402, 3507679, 5788804, 7015358, 10130407, 14030716, 16599631, 20260814, 24553753, 33199262, 40521628, 49107506, 66398524, 98215012, 116197417, 232394834, 464789668, 813381919, 1311370849, 1626763838, 2622741698, 3253527676, 5245483396, 9179595943, 18359191886, 36718383772, 64257171601, 128514343202, 257028686404]

約数ペア:

[(1, 257028686404), (2, 128514343202), (4, 64257171601), (7, 36718383772), (14, 18359191886), (28, 9179595943), (49, 5245483396), (79, 3253527676), (98, 2622741698), (158, 1626763838), (196, 1311370849), (316, 813381919), (553, 464789668), (1106, 232394834), (2212, 116197417), (2617, 98215012), (3871, 66398524), (5234, 49107506), (6343, 40521628), (7742, 33199262), (10468, 24553753), (12686, 20260814), (15484, 16599631), (18319, 14030716), (25372, 10130407), (36638, 7015358), (44401, 5788804), (73276, 3507679), (88802, 2894402), (128233, 2004388), (177604, 1447201), (206743, 1243228), (256466, 1002194), (310807, 826972), (413486, 621614), (501097, 512932)]