261397464

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 663107040

約数和(自身を除く): 401709576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 173, 314, 346, 401, 471, 519, 628, 692, 802, 942, 1038, 1203, 1256, 1384, 1604, 1884, 2076, 2406, 3208, 3768, 4152, 4812, 9624, 27161, 54322, 62957, 69373, 81483, 108644, 125914, 138746, 162966, 188871, 208119, 217288, 251828, 277492, 325932, 377742, 416238, 503656, 554984, 651864, 755484, 832476, 1510968, 1664952, 10891561, 21783122, 32674683, 43566244, 65349366, 87132488, 130698732, 261397464]

約数ペア:

[(1, 261397464), (2, 130698732), (3, 87132488), (4, 65349366), (6, 43566244), (8, 32674683), (12, 21783122), (24, 10891561), (157, 1664952), (173, 1510968), (314, 832476), (346, 755484), (401, 651864), (471, 554984), (519, 503656), (628, 416238), (692, 377742), (802, 325932), (942, 277492), (1038, 251828), (1203, 217288), (1256, 208119), (1384, 188871), (1604, 162966), (1884, 138746), (2076, 125914), (2406, 108644), (3208, 81483), (3768, 69373), (4152, 62957), (4812, 54322), (9624, 27161)]