138980192

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:896

約数の個数: 72

約数和(自身を含む): 306210240

約数和(自身を除く): 167230048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 829, 992, 1352, 1612, 1658, 2704, 3224, 3316, 5239, 5408, 6448, 6632, 10478, 10777, 12896, 13264, 20956, 21554, 25699, 26528, 41912, 43108, 51398, 83824, 86216, 102796, 140101, 167648, 172432, 205592, 280202, 334087, 344864, 411184, 560404, 668174, 822368, 1120808, 1336348, 2241616, 2672696, 4343131, 4483232, 5345392, 8686262, 10690784, 17372524, 34745048, 69490096, 138980192]

約数ペア:

[(1, 138980192), (2, 69490096), (4, 34745048), (8, 17372524), (13, 10690784), (16, 8686262), (26, 5345392), (31, 4483232), (32, 4343131), (52, 2672696), (62, 2241616), (104, 1336348), (124, 1120808), (169, 822368), (208, 668174), (248, 560404), (338, 411184), (403, 344864), (416, 334087), (496, 280202), (676, 205592), (806, 172432), (829, 167648), (992, 140101), (1352, 102796), (1612, 86216), (1658, 83824), (2704, 51398), (3224, 43108), (3316, 41912), (5239, 26528), (5408, 25699), (6448, 21554), (6632, 20956), (10478, 13264), (10777, 12896)]