1990778892

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{248723}}^1$

素因数の和:248782

約数の個数: 48

約数和(自身を含む): 5014275840

約数和(自身を除く): 3023496948

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2668, 4002, 8004, 248723, 497446, 746169, 994892, 1492338, 2984676, 5720629, 7212967, 11441258, 14425934, 17161887, 21638901, 22882516, 28851868, 34323774, 43277802, 68647548, 86555604, 165898241, 331796482, 497694723, 663592964, 995389446, 1990778892]

約数ペア:

[(1, 1990778892), (2, 995389446), (3, 663592964), (4, 497694723), (6, 331796482), (12, 165898241), (23, 86555604), (29, 68647548), (46, 43277802), (58, 34323774), (69, 28851868), (87, 22882516), (92, 21638901), (116, 17161887), (138, 14425934), (174, 11441258), (276, 7212967), (348, 5720629), (667, 2984676), (1334, 1492338), (2001, 994892), (2668, 746169), (4002, 497446), (8004, 248723)]