621312175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 894799872

約数和(自身を除く): 273487697

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 347, 383, 425, 935, 1735, 1915, 3817, 4213, 4675, 5899, 6511, 8675, 9575, 19085, 21065, 29495, 32555, 64889, 71621, 95425, 105325, 132901, 147475, 162775, 324445, 358105, 664505, 1461911, 1622225, 1790525, 2259317, 3322525, 7309555, 11296585, 24852487, 36547775, 56482925, 124262435, 621312175]

約数ペア:

[(1, 621312175), (5, 124262435), (11, 56482925), (17, 36547775), (25, 24852487), (55, 11296585), (85, 7309555), (187, 3322525), (275, 2259317), (347, 1790525), (383, 1622225), (425, 1461911), (935, 664505), (1735, 358105), (1915, 324445), (3817, 162775), (4213, 147475), (4675, 132901), (5899, 105325), (6511, 95425), (8675, 71621), (9575, 64889), (19085, 32555), (21065, 29495)]