64501970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1499}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 125496000

約数和(自身を除く): 60994030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 662, 1499, 1655, 2998, 3310, 4303, 7495, 8606, 14990, 19487, 21515, 38974, 43030, 97435, 194870, 496169, 992338, 2480845, 4961690, 6450197, 12900394, 32250985, 64501970]

約数ペア:

[(1, 64501970), (2, 32250985), (5, 12900394), (10, 6450197), (13, 4961690), (26, 2480845), (65, 992338), (130, 496169), (331, 194870), (662, 97435), (1499, 43030), (1655, 38974), (2998, 21515), (3310, 19487), (4303, 14990), (7495, 8606)]