257879271332

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{155699}}^1$

素因数の和:155809

約数の個数: 72

約数和(自身を含む): 504946310400

約数和(自身を除く): 247067039068

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 361, 589, 703, 722, 1147, 1178, 1406, 1444, 2294, 2356, 2812, 4588, 11191, 13357, 21793, 22382, 26714, 43586, 44764, 53428, 87172, 155699, 311398, 414067, 622796, 828134, 1656268, 2958281, 4826669, 5760863, 5916562, 9653338, 11521726, 11833124, 19306676, 23043452, 56207339, 91706711, 109456397, 112414678, 178586753, 183413422, 218912794, 224829356, 357173506, 366826844, 437825588, 714347012, 1742427509, 2079671543, 3393148307, 3484855018, 4159343086, 6786296614, 6969710036, 8318686172, 13572593228, 64469817833, 128939635666, 257879271332]

約数ペア:

[(1, 257879271332), (2, 128939635666), (4, 64469817833), (19, 13572593228), (31, 8318686172), (37, 6969710036), (38, 6786296614), (62, 4159343086), (74, 3484855018), (76, 3393148307), (124, 2079671543), (148, 1742427509), (361, 714347012), (589, 437825588), (703, 366826844), (722, 357173506), (1147, 224829356), (1178, 218912794), (1406, 183413422), (1444, 178586753), (2294, 112414678), (2356, 109456397), (2812, 91706711), (4588, 56207339), (11191, 23043452), (13357, 19306676), (21793, 11833124), (22382, 11521726), (26714, 9653338), (43586, 5916562), (44764, 5760863), (53428, 4826669), (87172, 2958281), (155699, 1656268), (311398, 828134), (414067, 622796)]