987693986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2238

約数の個数: 32

約数和(自身を含む): 1587855360

約数和(自身を除く): 600161374

約数列:

[1, 2, 19, 38, 103, 127, 206, 254, 1957, 1987, 2413, 3914, 3974, 4826, 13081, 26162, 37753, 75506, 204661, 248539, 252349, 409322, 497078, 504698, 3888559, 4794631, 7777118, 9589262, 25991947, 51983894, 493846993, 987693986]

約数ペア:

[(1, 987693986), (2, 493846993), (19, 51983894), (38, 25991947), (103, 9589262), (127, 7777118), (206, 4794631), (254, 3888559), (1957, 504698), (1987, 497078), (2413, 409322), (3914, 252349), (3974, 248539), (4826, 204661), (13081, 75506), (26162, 37753)]