215237869925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1\times {\mathrm{6841}}^1$

素因数の和:7734

約数の個数: 48

約数和(自身を含む): 290053727040

約数和(自身を除く): 74815857115

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 739, 1703, 3275, 3695, 6841, 8515, 9607, 18475, 34205, 42575, 48035, 88933, 96809, 171025, 240175, 444665, 484045, 896171, 1258517, 2223325, 2420225, 4480855, 5055499, 6292585, 11650223, 22404275, 25277495, 31462925, 58251115, 65721487, 126387475, 291255575, 328607435, 662270369, 1643037175, 3311351845, 8609514797, 16556759225, 43047573985, 215237869925]

約数ペア:

[(1, 215237869925), (5, 43047573985), (13, 16556759225), (25, 8609514797), (65, 3311351845), (131, 1643037175), (325, 662270369), (655, 328607435), (739, 291255575), (1703, 126387475), (3275, 65721487), (3695, 58251115), (6841, 31462925), (8515, 25277495), (9607, 22404275), (18475, 11650223), (34205, 6292585), (42575, 5055499), (48035, 4480855), (88933, 2420225), (96809, 2223325), (171025, 1258517), (240175, 896171), (444665, 484045)]