1689664790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1693}}^1$

素因数の和:1965

約数の個数: 64

約数和(自身を含む): 3413152512

約数和(自身を除く): 1723487722

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 211, 215, 422, 430, 473, 946, 1055, 1693, 2110, 2321, 2365, 3386, 4642, 4730, 8465, 9073, 11605, 16930, 18146, 18623, 23210, 37246, 45365, 72799, 90730, 93115, 99803, 145598, 186230, 199606, 357223, 363995, 499015, 714446, 727990, 800789, 998030, 1601578, 1786115, 3572230, 3929453, 4003945, 7858906, 8007890, 15360589, 19647265, 30721178, 39294530, 76802945, 153605890, 168966479, 337932958, 844832395, 1689664790]

約数ペア:

[(1, 1689664790), (2, 844832395), (5, 337932958), (10, 168966479), (11, 153605890), (22, 76802945), (43, 39294530), (55, 30721178), (86, 19647265), (110, 15360589), (211, 8007890), (215, 7858906), (422, 4003945), (430, 3929453), (473, 3572230), (946, 1786115), (1055, 1601578), (1693, 998030), (2110, 800789), (2321, 727990), (2365, 714446), (3386, 499015), (4642, 363995), (4730, 357223), (8465, 199606), (9073, 186230), (11605, 145598), (16930, 99803), (18146, 93115), (18623, 90730), (23210, 72799), (37246, 45365)]