1978889495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1160639}}^1$

素因数の和:1160686

約数の個数: 16

約数和(自身を含む): 2674114560

約数和(自身を除く): 695225065

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 1160639, 5803195, 12767029, 35979809, 63835145, 179899045, 395777899, 1978889495]

約数ペア:

[(1, 1978889495), (5, 395777899), (11, 179899045), (31, 63835145), (55, 35979809), (155, 12767029), (341, 5803195), (1705, 1160639)]