1807325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 2479008

約数和(自身を除く): 671683

約数列:

[1, 5, 13, 25, 65, 67, 83, 325, 335, 415, 871, 1079, 1675, 2075, 4355, 5395, 5561, 21775, 26975, 27805, 72293, 139025, 361465, 1807325]

約数ペア:

[(1, 1807325), (5, 361465), (13, 139025), (25, 72293), (65, 27805), (67, 26975), (83, 21775), (325, 5561), (335, 5395), (415, 4355), (871, 2075), (1079, 1675)]