20171294255

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{255349}}^1$

素因数の和:255459

約数の個数: 32

約数和(自身を含む): 28877020800

約数和(自身を除く): 8705726545

約数列:

[1, 5, 7, 35, 37, 61, 185, 259, 305, 427, 1295, 2135, 2257, 11285, 15799, 78995, 255349, 1276745, 1787443, 8937215, 9447913, 15576289, 47239565, 66135391, 77881445, 109034023, 330676955, 545170115, 576322693, 2881613465, 4034258851, 20171294255]

約数ペア:

[(1, 20171294255), (5, 4034258851), (7, 2881613465), (35, 576322693), (37, 545170115), (61, 330676955), (185, 109034023), (259, 77881445), (305, 66135391), (427, 47239565), (1295, 15576289), (2135, 9447913), (2257, 8937215), (11285, 1787443), (15799, 1276745), (78995, 255349)]