138049405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 186425568

約数和(自身を除く): 48376163

約数列:

[1, 5, 13, 37, 61, 65, 185, 305, 481, 793, 941, 2257, 2405, 3965, 4705, 11285, 12233, 29341, 34817, 57401, 61165, 146705, 174085, 287005, 452621, 746213, 2123837, 2263105, 3731065, 10619185, 27609881, 138049405]

約数ペア:

[(1, 138049405), (5, 27609881), (13, 10619185), (37, 3731065), (61, 2263105), (65, 2123837), (185, 746213), (305, 452621), (481, 287005), (793, 174085), (941, 146705), (2257, 61165), (2405, 57401), (3965, 34817), (4705, 29341), (11285, 12233)]