78218008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3719}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 82485992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 1912, 2629, 3719, 5258, 7438, 10516, 14876, 21032, 29752, 40909, 81818, 163636, 327272, 888841, 1777682, 3555364, 7110728, 9777251, 19554502, 39109004, 78218008]

約数ペア:

[(1, 78218008), (2, 39109004), (4, 19554502), (8, 9777251), (11, 7110728), (22, 3555364), (44, 1777682), (88, 888841), (239, 327272), (478, 163636), (956, 81818), (1912, 40909), (2629, 29752), (3719, 21032), (5258, 14876), (7438, 10516)]