639012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 1677312

約数和(自身を除く): 1038300

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 47, 66, 94, 103, 132, 141, 188, 206, 282, 309, 412, 517, 564, 618, 1034, 1133, 1236, 1551, 2068, 2266, 3102, 3399, 4532, 4841, 6204, 6798, 9682, 13596, 14523, 19364, 29046, 53251, 58092, 106502, 159753, 213004, 319506, 639012]

約数ペア:

[(1, 639012), (2, 319506), (3, 213004), (4, 159753), (6, 106502), (11, 58092), (12, 53251), (22, 29046), (33, 19364), (44, 14523), (47, 13596), (66, 9682), (94, 6798), (103, 6204), (132, 4841), (141, 4532), (188, 3399), (206, 3102), (282, 2266), (309, 2068), (412, 1551), (517, 1236), (564, 1133), (618, 1034)]