261640806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1951}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 623640576

約数和(自身を除く): 361999770

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 103, 186, 206, 217, 309, 434, 618, 651, 721, 1302, 1442, 1951, 2163, 3193, 3902, 4326, 5853, 6386, 9579, 11706, 13657, 19158, 22351, 27314, 40971, 44702, 60481, 67053, 81942, 120962, 134106, 181443, 200953, 362886, 401906, 423367, 602859, 846734, 1205718, 1270101, 1406671, 2540202, 2813342, 4220013, 6229543, 8440026, 12459086, 18688629, 37377258, 43606801, 87213602, 130820403, 261640806]

約数ペア:

[(1, 261640806), (2, 130820403), (3, 87213602), (6, 43606801), (7, 37377258), (14, 18688629), (21, 12459086), (31, 8440026), (42, 6229543), (62, 4220013), (93, 2813342), (103, 2540202), (186, 1406671), (206, 1270101), (217, 1205718), (309, 846734), (434, 602859), (618, 423367), (651, 401906), (721, 362886), (1302, 200953), (1442, 181443), (1951, 134106), (2163, 120962), (3193, 81942), (3902, 67053), (4326, 60481), (5853, 44702), (6386, 40971), (9579, 27314), (11706, 22351), (13657, 19158)]