131751428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 251475840

約数和(自身を除く): 119724412

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 139, 212, 263, 278, 526, 556, 901, 1052, 1802, 2363, 3604, 4471, 4726, 7367, 8942, 9452, 13939, 14734, 17884, 27878, 29468, 36557, 55756, 73114, 125239, 146228, 236963, 250478, 473926, 500956, 621469, 947852, 1242938, 1937521, 2485876, 3875042, 7750084, 32937857, 65875714, 131751428]

約数ペア:

[(1, 131751428), (2, 65875714), (4, 32937857), (17, 7750084), (34, 3875042), (53, 2485876), (68, 1937521), (106, 1242938), (139, 947852), (212, 621469), (263, 500956), (278, 473926), (526, 250478), (556, 236963), (901, 146228), (1052, 125239), (1802, 73114), (2363, 55756), (3604, 36557), (4471, 29468), (4726, 27878), (7367, 17884), (8942, 14734), (9452, 13939)]