208745816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{1289}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 404956800

約数和(自身を除く): 196210984

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 653, 1289, 1306, 2578, 2612, 5156, 5224, 10312, 20243, 39959, 40486, 79918, 80972, 159836, 161944, 319672, 841717, 1683434, 3366868, 6733736, 26093227, 52186454, 104372908, 208745816]

約数ペア:

[(1, 208745816), (2, 104372908), (4, 52186454), (8, 26093227), (31, 6733736), (62, 3366868), (124, 1683434), (248, 841717), (653, 319672), (1289, 161944), (1306, 159836), (2578, 80972), (2612, 79918), (5156, 40486), (5224, 39959), (10312, 20243)]