72961405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 100631808

約数和(自身を除く): 27670403

約数列:

[1, 5, 11, 23, 55, 115, 137, 253, 421, 685, 1265, 1507, 2105, 3151, 4631, 7535, 9683, 15755, 23155, 34661, 48415, 57677, 106513, 173305, 288385, 532565, 634447, 1326571, 3172235, 6632855, 14592281, 72961405]

約数ペア:

[(1, 72961405), (5, 14592281), (11, 6632855), (23, 3172235), (55, 1326571), (115, 634447), (137, 532565), (253, 288385), (421, 173305), (685, 106513), (1265, 57677), (1507, 48415), (2105, 34661), (3151, 23155), (4631, 15755), (7535, 9683)]