2911220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11197}}^1$

素因数の和:11219

約数の個数: 24

約数和(自身を含む): 6584424

約数和(自身を除く): 3673204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 11197, 22394, 44788, 55985, 111970, 145561, 223940, 291122, 582244, 727805, 1455610, 2911220]

約数ペア:

[(1, 2911220), (2, 1455610), (4, 727805), (5, 582244), (10, 291122), (13, 223940), (20, 145561), (26, 111970), (52, 55985), (65, 44788), (130, 22394), (260, 11197)]