66840404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 127807680

約数和(自身を除く): 60967276

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 113, 172, 181, 226, 362, 452, 724, 817, 1634, 2147, 3268, 3439, 4294, 4859, 6878, 7783, 8588, 9718, 13756, 15566, 19436, 20453, 31132, 40906, 81812, 92321, 147877, 184642, 295754, 369284, 388607, 591508, 777214, 879479, 1554428, 1758958, 3517916, 16710101, 33420202, 66840404]

約数ペア:

[(1, 66840404), (2, 33420202), (4, 16710101), (19, 3517916), (38, 1758958), (43, 1554428), (76, 879479), (86, 777214), (113, 591508), (172, 388607), (181, 369284), (226, 295754), (362, 184642), (452, 147877), (724, 92321), (817, 81812), (1634, 40906), (2147, 31132), (3268, 20453), (3439, 19436), (4294, 15566), (4859, 13756), (6878, 9718), (7783, 8588)]