721376084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 1535761920

約数和(自身を除く): 814385836

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 139, 143, 172, 211, 278, 286, 422, 473, 556, 559, 572, 844, 946, 1118, 1529, 1807, 1892, 2236, 2321, 2743, 3058, 3614, 4642, 5486, 5977, 6116, 6149, 7228, 9073, 9284, 10972, 11954, 12298, 18146, 19877, 23908, 24596, 29329, 30173, 36292, 39754, 58658, 60346, 65747, 77701, 79508, 99803, 117316, 117949, 120692, 131494, 155402, 199606, 235898, 262988, 310804, 322619, 381277, 399212, 471796, 645238, 762554, 854711, 1261147, 1290476, 1297439, 1525108, 1709422, 2522294, 2594878, 3418844, 4194047, 5044588, 5189756, 8388094, 13872617, 16394911, 16776188, 27745234, 32789822, 55490468, 65579644, 180344021, 360688042, 721376084]

約数ペア:

[(1, 721376084), (2, 360688042), (4, 180344021), (11, 65579644), (13, 55490468), (22, 32789822), (26, 27745234), (43, 16776188), (44, 16394911), (52, 13872617), (86, 8388094), (139, 5189756), (143, 5044588), (172, 4194047), (211, 3418844), (278, 2594878), (286, 2522294), (422, 1709422), (473, 1525108), (556, 1297439), (559, 1290476), (572, 1261147), (844, 854711), (946, 762554), (1118, 645238), (1529, 471796), (1807, 399212), (1892, 381277), (2236, 322619), (2321, 310804), (2743, 262988), (3058, 235898), (3614, 199606), (4642, 155402), (5486, 131494), (5977, 120692), (6116, 117949), (6149, 117316), (7228, 99803), (9073, 79508), (9284, 77701), (10972, 65747), (11954, 60346), (12298, 58658), (18146, 39754), (19877, 36292), (23908, 30173), (24596, 29329)]