127911812

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 264246528

約数和(自身を除く): 136334716

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 311, 397, 518, 622, 794, 1036, 1244, 1588, 2177, 2779, 4354, 5558, 8708, 11116, 11507, 14689, 23014, 29378, 46028, 58756, 80549, 102823, 123467, 161098, 205646, 246934, 322196, 411292, 493868, 864269, 1728538, 3457076, 4568279, 9136558, 18273116, 31977953, 63955906, 127911812]

約数ペア:

[(1, 127911812), (2, 63955906), (4, 31977953), (7, 18273116), (14, 9136558), (28, 4568279), (37, 3457076), (74, 1728538), (148, 864269), (259, 493868), (311, 411292), (397, 322196), (518, 246934), (622, 205646), (794, 161098), (1036, 123467), (1244, 102823), (1588, 80549), (2177, 58756), (2779, 46028), (4354, 29378), (5558, 23014), (8708, 14689), (11116, 11507)]