291222052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{108503}}^1$

素因数の和:108579

約数の個数: 24

約数和(自身を含む): 565088832

約数和(自身を除く): 273866780

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 108503, 217006, 434012, 1193533, 2387066, 4774132, 6618683, 13237366, 26474732, 72805513, 145611026, 291222052]

約数ペア:

[(1, 291222052), (2, 145611026), (4, 72805513), (11, 26474732), (22, 13237366), (44, 6618683), (61, 4774132), (122, 2387066), (244, 1193533), (671, 434012), (1342, 217006), (2684, 108503)]