172825928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 362880000

約数和(自身を除く): 190054072

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 139, 142, 199, 278, 284, 398, 556, 568, 781, 796, 1112, 1529, 1562, 1592, 2189, 3058, 3124, 4378, 6116, 6248, 8756, 9869, 12232, 14129, 17512, 19738, 27661, 28258, 39476, 55322, 56516, 78952, 108559, 110644, 113032, 155419, 217118, 221288, 304271, 310838, 434236, 608542, 621676, 868472, 1217084, 1243352, 1963931, 2434168, 3927862, 7855724, 15711448, 21603241, 43206482, 86412964, 172825928]

約数ペア:

[(1, 172825928), (2, 86412964), (4, 43206482), (8, 21603241), (11, 15711448), (22, 7855724), (44, 3927862), (71, 2434168), (88, 1963931), (139, 1243352), (142, 1217084), (199, 868472), (278, 621676), (284, 608542), (398, 434236), (556, 310838), (568, 304271), (781, 221288), (796, 217118), (1112, 155419), (1529, 113032), (1562, 110644), (1592, 108559), (2189, 78952), (3058, 56516), (3124, 55322), (4378, 39476), (6116, 28258), (6248, 27661), (8756, 19738), (9869, 17512), (12232, 14129)]