638510224

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10700

約数の個数: 60

約数和(自身を含む): 1403799040

約数和(自身を除く): 765288816

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 341, 484, 496, 682, 968, 1364, 1936, 2728, 3751, 5456, 7502, 10639, 15004, 21278, 30008, 42556, 60016, 85112, 117029, 170224, 234058, 329809, 468116, 659618, 936232, 1287319, 1319236, 1872464, 2574638, 2638472, 3627899, 5149276, 5276944, 7255798, 10298552, 14511596, 20597104, 29023192, 39906889, 58046384, 79813778, 159627556, 319255112, 638510224]

約数ペア:

[(1, 638510224), (2, 319255112), (4, 159627556), (8, 79813778), (11, 58046384), (16, 39906889), (22, 29023192), (31, 20597104), (44, 14511596), (62, 10298552), (88, 7255798), (121, 5276944), (124, 5149276), (176, 3627899), (242, 2638472), (248, 2574638), (341, 1872464), (484, 1319236), (496, 1287319), (682, 936232), (968, 659618), (1364, 468116), (1936, 329809), (2728, 234058), (3751, 170224), (5456, 117029), (7502, 85112), (10639, 60016), (15004, 42556), (21278, 30008)]