397360405

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 525903840

約数和(自身を除く): 128543435

約数列:

[1, 5, 13, 61, 65, 169, 305, 593, 793, 845, 2197, 2965, 3965, 7709, 10309, 10985, 36173, 38545, 51545, 100217, 134017, 180865, 470249, 501085, 670085, 1302821, 2351245, 6113237, 6514105, 30566185, 79472081, 397360405]

約数ペア:

[(1, 397360405), (5, 79472081), (13, 30566185), (61, 6514105), (65, 6113237), (169, 2351245), (305, 1302821), (593, 670085), (793, 501085), (845, 470249), (2197, 180865), (2965, 134017), (3965, 100217), (7709, 51545), (10309, 38545), (10985, 36173)]