289455725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4663}}^1$

素因数の和:4877

約数の個数: 24

約数和(自身を含む): 388641792

約数和(自身を除く): 99186067

約数列:

[1, 5, 13, 25, 65, 191, 325, 955, 2483, 4663, 4775, 12415, 23315, 60619, 62075, 116575, 303095, 890633, 1515475, 4453165, 11578229, 22265825, 57891145, 289455725]

約数ペア:

[(1, 289455725), (5, 57891145), (13, 22265825), (25, 11578229), (65, 4453165), (191, 1515475), (325, 890633), (955, 303095), (2483, 116575), (4663, 62075), (4775, 60619), (12415, 23315)]