287201928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{920519}}^1$

素因数の和:920541

約数の個数: 32

約数和(自身を含む): 773236800

約数和(自身を除く): 486034872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 920519, 1841038, 2761557, 3682076, 5523114, 7364152, 11046228, 11966747, 22092456, 23933494, 35900241, 47866988, 71800482, 95733976, 143600964, 287201928]

約数ペア:

[(1, 287201928), (2, 143600964), (3, 95733976), (4, 71800482), (6, 47866988), (8, 35900241), (12, 23933494), (13, 22092456), (24, 11966747), (26, 11046228), (39, 7364152), (52, 5523114), (78, 3682076), (104, 2761557), (156, 1841038), (312, 920519)]