491321675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5231}}^1$

素因数の和:5288

約数の個数: 36

約数和(自身を含む): 697101216

約数和(自身を除く): 205779541

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 3757, 5231, 5525, 7225, 18785, 26155, 68003, 88927, 93925, 130775, 340015, 444635, 1156051, 1511759, 1700075, 2223175, 5780255, 7558795, 19652867, 28901275, 37793975, 98264335, 491321675]

約数ペア:

[(1, 491321675), (5, 98264335), (13, 37793975), (17, 28901275), (25, 19652867), (65, 7558795), (85, 5780255), (221, 2223175), (289, 1700075), (325, 1511759), (425, 1156051), (1105, 444635), (1445, 340015), (3757, 130775), (5231, 93925), (5525, 88927), (7225, 68003), (18785, 26155)]