13366405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 18547200

約数和(自身を除く): 5180795

約数列:

[1, 5, 13, 19, 65, 79, 95, 137, 247, 395, 685, 1027, 1235, 1501, 1781, 2603, 5135, 7505, 8905, 10823, 13015, 19513, 33839, 54115, 97565, 140699, 169195, 205637, 703495, 1028185, 2673281, 13366405]

約数ペア:

[(1, 13366405), (5, 2673281), (13, 1028185), (19, 703495), (65, 205637), (79, 169195), (95, 140699), (137, 97565), (247, 54115), (395, 33839), (685, 19513), (1027, 13015), (1235, 10823), (1501, 8905), (1781, 7505), (2603, 5135)]