72140908

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{28949}}^1$

素因数の和:29049

約数の個数: 24

約数和(自身を含む): 145908000

約数和(自身を除く): 73767092

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 28949, 57898, 115796, 202643, 405286, 810572, 2576461, 5152922, 10305844, 18035227, 36070454, 72140908]

約数ペア:

[(1, 72140908), (2, 36070454), (4, 18035227), (7, 10305844), (14, 5152922), (28, 2576461), (89, 810572), (178, 405286), (356, 202643), (623, 115796), (1246, 57898), (2492, 28949)]