204567415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 271434240

約数和(自身を除く): 66866825

約数列:

[1, 5, 13, 65, 67, 107, 335, 439, 535, 871, 1391, 2195, 4355, 5707, 6955, 7169, 28535, 29413, 35845, 46973, 93197, 147065, 234865, 382369, 465985, 610649, 1911845, 3053245, 3147191, 15735955, 40913483, 204567415]

約数ペア:

[(1, 204567415), (5, 40913483), (13, 15735955), (65, 3147191), (67, 3053245), (107, 1911845), (335, 610649), (439, 465985), (535, 382369), (871, 234865), (1391, 147065), (2195, 93197), (4355, 46973), (5707, 35845), (6955, 29413), (7169, 28535)]