1221118415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{56783}}^1$

素因数の和:56839

約数の個数: 32

約数和(自身を含む): 1766209536

約数和(自身を除く): 545091121

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 4301, 21505, 56783, 283915, 624613, 965311, 1306009, 3123065, 4826555, 6530045, 10618421, 14366099, 22202153, 53092105, 71830495, 111010765, 244223683, 1221118415]

約数ペア:

[(1, 1221118415), (5, 244223683), (11, 111010765), (17, 71830495), (23, 53092105), (55, 22202153), (85, 14366099), (115, 10618421), (187, 6530045), (253, 4826555), (391, 3123065), (935, 1306009), (1265, 965311), (1955, 624613), (4301, 283915), (21505, 56783)]