81742830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209597}}^1$

素因数の和:209620

約数の個数: 32

約数和(自身を含む): 211274784

約数和(自身を除く): 129531954

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209597, 419194, 628791, 1047985, 1257582, 2095970, 2724761, 3143955, 5449522, 6287910, 8174283, 13623805, 16348566, 27247610, 40871415, 81742830]

約数ペア:

[(1, 81742830), (2, 40871415), (3, 27247610), (5, 16348566), (6, 13623805), (10, 8174283), (13, 6287910), (15, 5449522), (26, 3143955), (30, 2724761), (39, 2095970), (65, 1257582), (78, 1047985), (130, 628791), (195, 419194), (390, 209597)]