168171872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2259

約数の個数: 48

約数和(自身を含む): 362880000

約数和(自身を除く): 194708128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 239, 352, 478, 956, 1912, 1999, 2629, 3824, 3998, 5258, 7648, 7996, 10516, 15992, 21032, 21989, 31984, 42064, 43978, 63968, 84128, 87956, 175912, 351824, 477761, 703648, 955522, 1911044, 3822088, 5255371, 7644176, 10510742, 15288352, 21021484, 42042968, 84085936, 168171872]

約数ペア:

[(1, 168171872), (2, 84085936), (4, 42042968), (8, 21021484), (11, 15288352), (16, 10510742), (22, 7644176), (32, 5255371), (44, 3822088), (88, 1911044), (176, 955522), (239, 703648), (352, 477761), (478, 351824), (956, 175912), (1912, 87956), (1999, 84128), (2629, 63968), (3824, 43978), (3998, 42064), (5258, 31984), (7648, 21989), (7996, 21032), (10516, 15992)]