396989725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{1907}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 538010208

約数和(自身を除く): 141020483

約数列:

[1, 5, 11, 25, 55, 275, 757, 1907, 3785, 8327, 9535, 18925, 20977, 41635, 47675, 104885, 208175, 524425, 1443599, 7217995, 15879589, 36089975, 79397945, 396989725]

約数ペア:

[(1, 396989725), (5, 79397945), (11, 36089975), (25, 15879589), (55, 7217995), (275, 1443599), (757, 524425), (1907, 208175), (3785, 104885), (8327, 47675), (9535, 41635), (18925, 20977)]