639504

素因数分解:

$2^4\times 3^2\times {\mathrm{4441}}^1$

素因数の和:4455

約数の個数: 30

約数和(自身を含む): 1790126

約数和(自身を除く): 1150622

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4441, 8882, 13323, 17764, 26646, 35528, 39969, 53292, 71056, 79938, 106584, 159876, 213168, 319752, 639504]

約数ペア:

[(1, 639504), (2, 319752), (3, 213168), (4, 159876), (6, 106584), (8, 79938), (9, 71056), (12, 53292), (16, 39969), (18, 35528), (24, 26646), (36, 17764), (48, 13323), (72, 8882), (144, 4441)]