255622143

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 429834240

約数和(自身を除く): 174212097

約数列:

[1, 3, 7, 19, 21, 43, 47, 57, 129, 133, 141, 301, 317, 329, 399, 817, 893, 903, 951, 987, 2021, 2219, 2451, 2679, 5719, 6023, 6063, 6251, 6657, 13631, 14147, 14899, 17157, 18069, 18753, 38399, 40893, 42161, 42441, 44697, 95417, 104293, 115197, 126483, 258989, 268793, 283081, 286251, 312879, 640657, 776967, 806379, 849243, 1812923, 1921971, 1981567, 4484599, 5438769, 5944701, 12172483, 13453797, 36517449, 85207381, 255622143]

約数ペア:

[(1, 255622143), (3, 85207381), (7, 36517449), (19, 13453797), (21, 12172483), (43, 5944701), (47, 5438769), (57, 4484599), (129, 1981567), (133, 1921971), (141, 1812923), (301, 849243), (317, 806379), (329, 776967), (399, 640657), (817, 312879), (893, 286251), (903, 283081), (951, 268793), (987, 258989), (2021, 126483), (2219, 115197), (2451, 104293), (2679, 95417), (5719, 44697), (6023, 42441), (6063, 42161), (6251, 40893), (6657, 38399), (13631, 18753), (14147, 18069), (14899, 17157)]