212557825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2719}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 273196800

約数和(自身を除く): 60638975

約数列:

[1, 5, 25, 53, 59, 265, 295, 1325, 1475, 2719, 3127, 13595, 15635, 67975, 78175, 144107, 160421, 720535, 802105, 3602675, 4010525, 8502313, 42511565, 212557825]

約数ペア:

[(1, 212557825), (5, 42511565), (25, 8502313), (53, 4010525), (59, 3602675), (265, 802105), (295, 720535), (1325, 160421), (1475, 144107), (2719, 78175), (3127, 67975), (13595, 15635)]