39907415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 53654400

約数和(自身を除く): 13746985

約数列:

[1, 5, 17, 23, 85, 115, 137, 149, 391, 685, 745, 1955, 2329, 2533, 3151, 3427, 11645, 12665, 15755, 17135, 20413, 53567, 58259, 102065, 267835, 291295, 347021, 469499, 1735105, 2347495, 7981483, 39907415]

約数ペア:

[(1, 39907415), (5, 7981483), (17, 2347495), (23, 1735105), (85, 469499), (115, 347021), (137, 291295), (149, 267835), (391, 102065), (685, 58259), (745, 53567), (1955, 20413), (2329, 17135), (2533, 15755), (3151, 12665), (3427, 11645)]