27847964

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{1871}}^1$

素因数の和:1997

約数の個数: 18

約数和(自身を含む): 49572432

約数和(自身を除く): 21724468

約数列:

[1, 2, 4, 61, 122, 244, 1871, 3721, 3742, 7442, 7484, 14884, 114131, 228262, 456524, 6961991, 13923982, 27847964]

約数ペア:

[(1, 27847964), (2, 13923982), (4, 6961991), (61, 456524), (122, 228262), (244, 114131), (1871, 14884), (3721, 7484), (3742, 7442)]