90318745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 121616640

約数和(自身を除く): 31297895

約数列:

[1, 5, 11, 55, 71, 101, 229, 355, 505, 781, 1111, 1145, 2519, 3905, 5555, 7171, 12595, 16259, 23129, 35855, 78881, 81295, 115645, 178849, 254419, 394405, 894245, 1272095, 1642159, 8210795, 18063749, 90318745]

約数ペア:

[(1, 90318745), (5, 18063749), (11, 8210795), (55, 1642159), (71, 1272095), (101, 894245), (229, 394405), (355, 254419), (505, 178849), (781, 115645), (1111, 81295), (1145, 78881), (2519, 35855), (3905, 23129), (5555, 16259), (7171, 12595)]