1281104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1531216

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 251, 319, 464, 502, 638, 1004, 1276, 2008, 2552, 2761, 4016, 5104, 5522, 7279, 11044, 14558, 22088, 29116, 44176, 58232, 80069, 116464, 160138, 320276, 640552, 1281104]

約数ペア:

[(1, 1281104), (2, 640552), (4, 320276), (8, 160138), (11, 116464), (16, 80069), (22, 58232), (29, 44176), (44, 29116), (58, 22088), (88, 14558), (116, 11044), (176, 7279), (232, 5522), (251, 5104), (319, 4016), (464, 2761), (502, 2552), (638, 2008), (1004, 1276)]