28245875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 42432000

約数和(自身を除く): 14186125

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1699, 2375, 3325, 8495, 11893, 16625, 32281, 42475, 59465, 161405, 212375, 225967, 297325, 807025, 1129835, 1486625, 4035125, 5649175, 28245875]

約数ペア:

[(1, 28245875), (5, 5649175), (7, 4035125), (19, 1486625), (25, 1129835), (35, 807025), (95, 297325), (125, 225967), (133, 212375), (175, 161405), (475, 59465), (665, 42475), (875, 32281), (1699, 16625), (2375, 11893), (3325, 8495)]