321376888

素因数分解:

$2^3\times 7^2\times {\mathrm{641}}^1\times {\mathrm{1279}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 702604800

約数和(自身を除く): 381227912

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 641, 1279, 1282, 2558, 2564, 4487, 5116, 5128, 8953, 8974, 10232, 17906, 17948, 31409, 35812, 35896, 62671, 62818, 71624, 125342, 125636, 250684, 251272, 501368, 819839, 1639678, 3279356, 5738873, 6558712, 11477746, 22955492, 40172111, 45910984, 80344222, 160688444, 321376888]

約数ペア:

[(1, 321376888), (2, 160688444), (4, 80344222), (7, 45910984), (8, 40172111), (14, 22955492), (28, 11477746), (49, 6558712), (56, 5738873), (98, 3279356), (196, 1639678), (392, 819839), (641, 501368), (1279, 251272), (1282, 250684), (2558, 125636), (2564, 125342), (4487, 71624), (5116, 62818), (5128, 62671), (8953, 35896), (8974, 35812), (10232, 31409), (17906, 17948)]