291987930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{748687}}^1$

素因数の和:748710

約数の個数: 32

約数和(自身を含む): 754677504

約数和(自身を除く): 462689574

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 748687, 1497374, 2246061, 3743435, 4492122, 7486870, 9732931, 11230305, 19465862, 22460610, 29198793, 48664655, 58397586, 97329310, 145993965, 291987930]

約数ペア:

[(1, 291987930), (2, 145993965), (3, 97329310), (5, 58397586), (6, 48664655), (10, 29198793), (13, 22460610), (15, 19465862), (26, 11230305), (30, 9732931), (39, 7486870), (65, 4492122), (78, 3743435), (130, 2246061), (195, 1497374), (390, 748687)]