388962396

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 1008483840

約数和(自身を除く): 619521444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 89, 146, 178, 219, 267, 292, 356, 438, 534, 657, 801, 876, 1068, 1314, 1602, 1663, 2628, 3204, 3326, 4989, 6497, 6652, 9978, 12994, 14967, 19491, 19956, 25988, 29934, 38982, 58473, 59868, 77964, 116946, 121399, 148007, 233892, 242798, 296014, 364197, 444021, 485596, 592028, 728394, 888042, 1092591, 1332063, 1456788, 1776084, 2185182, 2664126, 4370364, 5328252, 10804511, 21609022, 32413533, 43218044, 64827066, 97240599, 129654132, 194481198, 388962396]

約数ペア:

[(1, 388962396), (2, 194481198), (3, 129654132), (4, 97240599), (6, 64827066), (9, 43218044), (12, 32413533), (18, 21609022), (36, 10804511), (73, 5328252), (89, 4370364), (146, 2664126), (178, 2185182), (219, 1776084), (267, 1456788), (292, 1332063), (356, 1092591), (438, 888042), (534, 728394), (657, 592028), (801, 485596), (876, 444021), (1068, 364197), (1314, 296014), (1602, 242798), (1663, 233892), (2628, 148007), (3204, 121399), (3326, 116946), (4989, 77964), (6497, 59868), (6652, 58473), (9978, 38982), (12994, 29934), (14967, 25988), (19491, 19956)]