89558890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{797}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 171161424

約数和(自身を除く): 81602534

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 661, 797, 1322, 1594, 3305, 3985, 6610, 7970, 11237, 13549, 22474, 27098, 56185, 67745, 112370, 135490, 526817, 1053634, 2634085, 5268170, 8955889, 17911778, 44779445, 89558890]

約数ペア:

[(1, 89558890), (2, 44779445), (5, 17911778), (10, 8955889), (17, 5268170), (34, 2634085), (85, 1053634), (170, 526817), (661, 135490), (797, 112370), (1322, 67745), (1594, 56185), (3305, 27098), (3985, 22474), (6610, 13549), (7970, 11237)]