168705968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2625

約数の個数: 40

約数和(自身を含む): 339978240

約数和(自身を除く): 171272272

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 2447, 4309, 4894, 8618, 9788, 17236, 19576, 34472, 39152, 68944, 75857, 151714, 303428, 340133, 606856, 680266, 1213712, 1360532, 2721064, 5442128, 10544123, 21088246, 42176492, 84352984, 168705968]

約数ペア:

[(1, 168705968), (2, 84352984), (4, 42176492), (8, 21088246), (16, 10544123), (31, 5442128), (62, 2721064), (124, 1360532), (139, 1213712), (248, 680266), (278, 606856), (496, 340133), (556, 303428), (1112, 151714), (2224, 75857), (2447, 68944), (4309, 39152), (4894, 34472), (8618, 19576), (9788, 17236)]