256645565575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{15797}}^1$

素因数の和:16001

約数の個数: 96

約数和(自身を含む): 397181435904

約数和(自身を除く): 140535870329

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 127, 175, 215, 301, 425, 595, 635, 731, 889, 1075, 1505, 2159, 2975, 3175, 3655, 4445, 5117, 5461, 7525, 10795, 15113, 15797, 18275, 22225, 25585, 27305, 38227, 53975, 75565, 78985, 92837, 110579, 127925, 136525, 191135, 268549, 377825, 394925, 464185, 552895, 649859, 679271, 955675, 1342745, 1879843, 2006219, 2320925, 2764475, 3249295, 3396355, 4754897, 6713725, 9399215, 10031095, 11547607, 14043533, 16246475, 16981775, 23774485, 34105723, 46996075, 50155475, 57738035, 70217665, 80833249, 86267417, 118872425, 170528615, 238740061, 288690175, 351088325, 404166245, 431337085, 603871919, 852643075, 1193700305, 1466546089, 2020831225, 2156685425, 3019359595, 5968501525, 7332730445, 10265822623, 15096797975, 36663652225, 51329113115, 256645565575]

約数ペア:

[(1, 256645565575), (5, 51329113115), (7, 36663652225), (17, 15096797975), (25, 10265822623), (35, 7332730445), (43, 5968501525), (85, 3019359595), (119, 2156685425), (127, 2020831225), (175, 1466546089), (215, 1193700305), (301, 852643075), (425, 603871919), (595, 431337085), (635, 404166245), (731, 351088325), (889, 288690175), (1075, 238740061), (1505, 170528615), (2159, 118872425), (2975, 86267417), (3175, 80833249), (3655, 70217665), (4445, 57738035), (5117, 50155475), (5461, 46996075), (7525, 34105723), (10795, 23774485), (15113, 16981775), (15797, 16246475), (18275, 14043533), (22225, 11547607), (25585, 10031095), (27305, 9399215), (38227, 6713725), (53975, 4754897), (75565, 3396355), (78985, 3249295), (92837, 2764475), (110579, 2320925), (127925, 2006219), (136525, 1879843), (191135, 1342745), (268549, 955675), (377825, 679271), (394925, 649859), (464185, 552895)]