65974916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 142865856

約数和(自身を除く): 76890940

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 107, 122, 133, 214, 244, 266, 361, 427, 428, 532, 722, 749, 854, 1159, 1444, 1498, 1708, 2033, 2318, 2527, 2996, 4066, 4636, 5054, 6527, 8113, 8132, 10108, 13054, 14231, 16226, 22021, 26108, 28462, 32452, 38627, 44042, 45689, 56924, 77254, 88084, 91378, 124013, 154147, 154508, 182756, 248026, 270389, 308294, 496052, 540778, 616588, 868091, 1081556, 1736182, 2356247, 3472364, 4712494, 9424988, 16493729, 32987458, 65974916]

約数ペア:

[(1, 65974916), (2, 32987458), (4, 16493729), (7, 9424988), (14, 4712494), (19, 3472364), (28, 2356247), (38, 1736182), (61, 1081556), (76, 868091), (107, 616588), (122, 540778), (133, 496052), (214, 308294), (244, 270389), (266, 248026), (361, 182756), (427, 154508), (428, 154147), (532, 124013), (722, 91378), (749, 88084), (854, 77254), (1159, 56924), (1444, 45689), (1498, 44042), (1708, 38627), (2033, 32452), (2318, 28462), (2527, 26108), (2996, 22021), (4066, 16226), (4636, 14231), (5054, 13054), (6527, 10108), (8113, 8132)]