28425844

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 50996736

約数和(自身を除く): 22570892

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 991, 1982, 3964, 7171, 14342, 28684, 70361, 100091, 140722, 200182, 281444, 400364, 7106461, 14212922, 28425844]

約数ペア:

[(1, 28425844), (2, 14212922), (4, 7106461), (71, 400364), (101, 281444), (142, 200182), (202, 140722), (284, 100091), (404, 70361), (991, 28684), (1982, 14342), (3964, 7171)]