73428875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 100201920

約数和(自身を除く): 26773045

約数列:

[1, 5, 13, 25, 65, 73, 125, 325, 365, 619, 949, 1625, 1825, 3095, 4745, 8047, 9125, 15475, 23725, 40235, 45187, 77375, 118625, 201175, 225935, 587431, 1005875, 1129675, 2937155, 5648375, 14685775, 73428875]

約数ペア:

[(1, 73428875), (5, 14685775), (13, 5648375), (25, 2937155), (65, 1129675), (73, 1005875), (125, 587431), (325, 225935), (365, 201175), (619, 118625), (949, 77375), (1625, 45187), (1825, 40235), (3095, 23725), (4745, 15475), (8047, 9125)]