634946255

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 795484800

約数和(自身を除く): 160538545

約数列:

[1, 5, 61, 71, 109, 269, 305, 355, 545, 1345, 4331, 6649, 7739, 16409, 19099, 21655, 29321, 33245, 38695, 82045, 95495, 146605, 472079, 1165039, 1788581, 2081791, 2360395, 5825195, 8942905, 10408955, 126989251, 634946255]

約数ペア:

[(1, 634946255), (5, 126989251), (61, 10408955), (71, 8942905), (109, 5825195), (269, 2360395), (305, 2081791), (355, 1788581), (545, 1165039), (1345, 472079), (4331, 146605), (6649, 95495), (7739, 82045), (16409, 38695), (19099, 33245), (21655, 29321)]