639732888

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{467641}}^1$

素因数の和:467672

約数の個数: 48

約数和(自身を含む): 1823803800

約数和(自身を除く): 1184070912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 467641, 935282, 1402923, 1870564, 2805846, 3741128, 4208769, 5611692, 8417538, 8885179, 11223384, 16835076, 17770358, 26655537, 33670152, 35540716, 53311074, 71081432, 79966611, 106622148, 159933222, 213244296, 319866444, 639732888]

約数ペア:

[(1, 639732888), (2, 319866444), (3, 213244296), (4, 159933222), (6, 106622148), (8, 79966611), (9, 71081432), (12, 53311074), (18, 35540716), (19, 33670152), (24, 26655537), (36, 17770358), (38, 16835076), (57, 11223384), (72, 8885179), (76, 8417538), (114, 5611692), (152, 4208769), (171, 3741128), (228, 2805846), (342, 1870564), (456, 1402923), (684, 935282), (1368, 467641)]