1291248170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{65981}}^1$

素因数の和:66110

約数の個数: 32

約数和(自身を含む): 2470366080

約数和(自身を除く): 1179117910

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 19570, 65981, 131962, 329905, 659810, 1253639, 2507278, 6268195, 6796043, 12536390, 13592086, 33980215, 67960430, 129124817, 258249634, 645624085, 1291248170]

約数ペア:

[(1, 1291248170), (2, 645624085), (5, 258249634), (10, 129124817), (19, 67960430), (38, 33980215), (95, 13592086), (103, 12536390), (190, 6796043), (206, 6268195), (515, 2507278), (1030, 1253639), (1957, 659810), (3914, 329905), (9785, 131962), (19570, 65981)]