201631625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 272982528

約数和(自身を除く): 71350903

約数列:

[1, 5, 13, 25, 65, 125, 167, 325, 743, 835, 1625, 2171, 3715, 4175, 9659, 10855, 18575, 20875, 48295, 54275, 92875, 124081, 241475, 271375, 620405, 1207375, 1613053, 3102025, 8065265, 15510125, 40326325, 201631625]

約数ペア:

[(1, 201631625), (5, 40326325), (13, 15510125), (25, 8065265), (65, 3102025), (125, 1613053), (167, 1207375), (325, 620405), (743, 271375), (835, 241475), (1625, 124081), (2171, 92875), (3715, 54275), (4175, 48295), (9659, 20875), (10855, 18575)]