164240465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 214704000

約数和(自身を除く): 50463535

約数列:

[1, 5, 19, 41, 95, 149, 205, 283, 745, 779, 1415, 2831, 3895, 5377, 6109, 11603, 14155, 26885, 30545, 42167, 58015, 116071, 210835, 220457, 580355, 801173, 1102285, 1728847, 4005865, 8644235, 32848093, 164240465]

約数ペア:

[(1, 164240465), (5, 32848093), (19, 8644235), (41, 4005865), (95, 1728847), (149, 1102285), (205, 801173), (283, 580355), (745, 220457), (779, 210835), (1415, 116071), (2831, 58015), (3895, 42167), (5377, 30545), (6109, 26885), (11603, 14155)]