642253428

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{312989}}^1$

素因数の和:313021

約数の個数: 48

約数和(自身を含む): 1752744000

約数和(自身を除く): 1110490572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 312989, 625978, 938967, 1251956, 1877934, 2816901, 3755868, 5633802, 5946791, 8450703, 11267604, 11893582, 16901406, 17840373, 23787164, 33802812, 35680746, 53521119, 71361492, 107042238, 160563357, 214084476, 321126714, 642253428]

約数ペア:

[(1, 642253428), (2, 321126714), (3, 214084476), (4, 160563357), (6, 107042238), (9, 71361492), (12, 53521119), (18, 35680746), (19, 33802812), (27, 23787164), (36, 17840373), (38, 16901406), (54, 11893582), (57, 11267604), (76, 8450703), (108, 5946791), (114, 5633802), (171, 3755868), (228, 2816901), (342, 1877934), (513, 1251956), (684, 938967), (1026, 625978), (2052, 312989)]