78225028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90121}}^1$

素因数の和:90163

約数の個数: 24

約数和(自身を含む): 161498624

約数和(自身を除く): 83273596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90121, 180242, 360484, 630847, 1261694, 2523388, 2793751, 5587502, 11175004, 19556257, 39112514, 78225028]

約数ペア:

[(1, 78225028), (2, 39112514), (4, 19556257), (7, 11175004), (14, 5587502), (28, 2793751), (31, 2523388), (62, 1261694), (124, 630847), (217, 360484), (434, 180242), (868, 90121)]