7731620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 17696448

約数和(自身を除く): 9964828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 227, 260, 262, 454, 524, 655, 908, 1135, 1310, 1703, 2270, 2620, 2951, 3406, 4540, 5902, 6812, 8515, 11804, 14755, 17030, 29510, 29737, 34060, 59020, 59474, 118948, 148685, 297370, 386581, 594740, 773162, 1546324, 1932905, 3865810, 7731620]

約数ペア:

[(1, 7731620), (2, 3865810), (4, 1932905), (5, 1546324), (10, 773162), (13, 594740), (20, 386581), (26, 297370), (52, 148685), (65, 118948), (130, 59474), (131, 59020), (227, 34060), (260, 29737), (262, 29510), (454, 17030), (524, 14755), (655, 11804), (908, 8515), (1135, 6812), (1310, 5902), (1703, 4540), (2270, 3406), (2620, 2951)]