39779198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^2$

素因数の和:344

約数の個数: 24

約数和(自身を含む): 64329960

約数和(自身を除く): 24550762

約数列:

[1, 2, 19, 38, 61, 122, 131, 262, 1159, 2318, 2489, 4978, 7991, 15982, 17161, 34322, 151829, 303658, 326059, 652118, 1046821, 2093642, 19889599, 39779198]

約数ペア:

[(1, 39779198), (2, 19889599), (19, 2093642), (38, 1046821), (61, 652118), (122, 326059), (131, 303658), (262, 151829), (1159, 34322), (2318, 17161), (2489, 15982), (4978, 7991)]