307515608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{20857}}^1$

素因数の和:20979

約数の個数: 32

約数和(自身を含む): 613225200

約数和(自身を除く): 305709592

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 3686, 7372, 14744, 20857, 41714, 83428, 166856, 396283, 792566, 1585132, 2023129, 3170264, 4046258, 8092516, 16185032, 38439451, 76878902, 153757804, 307515608]

約数ペア:

[(1, 307515608), (2, 153757804), (4, 76878902), (8, 38439451), (19, 16185032), (38, 8092516), (76, 4046258), (97, 3170264), (152, 2023129), (194, 1585132), (388, 792566), (776, 396283), (1843, 166856), (3686, 83428), (7372, 41714), (14744, 20857)]