201557525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^2$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 286489476

約数和(自身を除く): 84931951

約数列:

[1, 5, 13, 17, 25, 65, 85, 191, 221, 325, 425, 955, 1105, 2483, 3247, 4775, 5525, 12415, 16235, 36481, 42211, 62075, 81175, 182405, 211055, 474253, 620177, 912025, 1055275, 2371265, 3100885, 8062301, 11856325, 15504425, 40311505, 201557525]

約数ペア:

[(1, 201557525), (5, 40311505), (13, 15504425), (17, 11856325), (25, 8062301), (65, 3100885), (85, 2371265), (191, 1055275), (221, 912025), (325, 620177), (425, 474253), (955, 211055), (1105, 182405), (2483, 81175), (3247, 62075), (4775, 42211), (5525, 36481), (12415, 16235)]