81497992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4919}}^1$

素因数の和:5053

約数の個数: 32

約数和(自身を含む): 162360000

約数和(自身を除く): 80862008

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 4919, 8284, 9838, 16568, 19676, 39352, 93461, 186922, 373844, 536171, 747688, 1072342, 2144684, 4289368, 10187249, 20374498, 40748996, 81497992]

約数ペア:

[(1, 81497992), (2, 40748996), (4, 20374498), (8, 10187249), (19, 4289368), (38, 2144684), (76, 1072342), (109, 747688), (152, 536171), (218, 373844), (436, 186922), (872, 93461), (2071, 39352), (4142, 19676), (4919, 16568), (8284, 9838)]