89841956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 174720000

約数和(自身を除く): 84878044

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 103, 206, 412, 437, 499, 874, 998, 1748, 1957, 1996, 2369, 3914, 4738, 7828, 9476, 9481, 11477, 18962, 22954, 37924, 45011, 45908, 51397, 90022, 102794, 180044, 205588, 218063, 436126, 872252, 976543, 1182131, 1953086, 2364262, 3906172, 4728524, 22460489, 44920978, 89841956]

約数ペア:

[(1, 89841956), (2, 44920978), (4, 22460489), (19, 4728524), (23, 3906172), (38, 2364262), (46, 1953086), (76, 1182131), (92, 976543), (103, 872252), (206, 436126), (412, 218063), (437, 205588), (499, 180044), (874, 102794), (998, 90022), (1748, 51397), (1957, 45908), (1996, 45011), (2369, 37924), (3914, 22954), (4738, 18962), (7828, 11477), (9476, 9481)]