81171056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2789}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 168136560

約数和(自身を除く): 86965504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 2789, 3638, 5578, 7276, 11156, 14552, 22312, 29104, 44624, 47413, 94826, 189652, 298423, 379304, 596846, 758608, 1193692, 2387384, 4774768, 5073191, 10146382, 20292764, 40585528, 81171056]

約数ペア:

[(1, 81171056), (2, 40585528), (4, 20292764), (8, 10146382), (16, 5073191), (17, 4774768), (34, 2387384), (68, 1193692), (107, 758608), (136, 596846), (214, 379304), (272, 298423), (428, 189652), (856, 94826), (1712, 47413), (1819, 44624), (2789, 29104), (3638, 22312), (5578, 14552), (7276, 11156)]