199257718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{577}}^1\times {\mathrm{1427}}^1$

素因数の和:2028

約数の個数: 24

約数和(自身を含む): 329328216

約数和(自身を除く): 130070498

約数列:

[1, 2, 11, 22, 121, 242, 577, 1154, 1427, 2854, 6347, 12694, 15697, 31394, 69817, 139634, 172667, 345334, 823379, 1646758, 9057169, 18114338, 99628859, 199257718]

約数ペア:

[(1, 199257718), (2, 99628859), (11, 18114338), (22, 9057169), (121, 1646758), (242, 823379), (577, 345334), (1154, 172667), (1427, 139634), (2854, 69817), (6347, 31394), (12694, 15697)]