39489268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 85719424

約数和(自身を除く): 46230156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 628, 691, 1099, 1382, 2041, 2198, 2764, 4082, 4396, 4837, 8164, 8983, 9674, 14287, 17966, 19348, 28574, 35932, 57148, 62881, 108487, 125762, 216974, 251524, 433948, 759409, 1410331, 1518818, 2820662, 3037636, 5641324, 9872317, 19744634, 39489268]

約数ペア:

[(1, 39489268), (2, 19744634), (4, 9872317), (7, 5641324), (13, 3037636), (14, 2820662), (26, 1518818), (28, 1410331), (52, 759409), (91, 433948), (157, 251524), (182, 216974), (314, 125762), (364, 108487), (628, 62881), (691, 57148), (1099, 35932), (1382, 28574), (2041, 19348), (2198, 17966), (2764, 14287), (4082, 9674), (4396, 8983), (4837, 8164)]