208500472

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 396748800

約数和(自身を除く): 188248328

約数列:

[1, 2, 4, 8, 127, 163, 254, 326, 508, 652, 1016, 1259, 1304, 2518, 5036, 10072, 20701, 41402, 82804, 159893, 165608, 205217, 319786, 410434, 639572, 820868, 1279144, 1641736, 26062559, 52125118, 104250236, 208500472]

約数ペア:

[(1, 208500472), (2, 104250236), (4, 52125118), (8, 26062559), (127, 1641736), (163, 1279144), (254, 820868), (326, 639572), (508, 410434), (652, 319786), (1016, 205217), (1259, 165608), (1304, 159893), (2518, 82804), (5036, 41402), (10072, 20701)]