1263991390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{15511}}^1$

素因数の和:15828

約数の個数: 32

約数和(自身を含む): 2362167360

約数和(自身を除く): 1098175970

約数列:

[1, 2, 5, 10, 29, 58, 145, 281, 290, 562, 1405, 2810, 8149, 15511, 16298, 31022, 40745, 77555, 81490, 155110, 449819, 899638, 2249095, 4358591, 4498190, 8717182, 21792955, 43585910, 126399139, 252798278, 631995695, 1263991390]

約数ペア:

[(1, 1263991390), (2, 631995695), (5, 252798278), (10, 126399139), (29, 43585910), (58, 21792955), (145, 8717182), (281, 4498190), (290, 4358591), (562, 2249095), (1405, 899638), (2810, 449819), (8149, 155110), (15511, 81490), (16298, 77555), (31022, 40745)]