66705574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 110680416

約数和(自身を除く): 43974842

約数列:

[1, 2, 13, 26, 61, 122, 137, 274, 307, 614, 793, 1586, 1781, 3562, 3991, 7982, 8357, 16714, 18727, 37454, 42059, 84118, 108641, 217282, 243451, 486902, 546767, 1093534, 2565599, 5131198, 33352787, 66705574]

約数ペア:

[(1, 66705574), (2, 33352787), (13, 5131198), (26, 2565599), (61, 1093534), (122, 546767), (137, 486902), (274, 243451), (307, 217282), (614, 108641), (793, 84118), (1586, 42059), (1781, 37454), (3562, 18727), (3991, 16714), (7982, 8357)]