39653965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 53184096

約数和(自身を除く): 13530131

約数列:

[1, 5, 13, 61, 65, 73, 137, 305, 365, 685, 793, 949, 1781, 3965, 4453, 4745, 8357, 8905, 10001, 22265, 41785, 50005, 57889, 108641, 130013, 289445, 543205, 610061, 650065, 3050305, 7930793, 39653965]

約数ペア:

[(1, 39653965), (5, 7930793), (13, 3050305), (61, 650065), (65, 610061), (73, 543205), (137, 289445), (305, 130013), (365, 108641), (685, 57889), (793, 50005), (949, 41785), (1781, 22265), (3965, 10001), (4453, 8905), (4745, 8357)]