31785392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 64809840

約数和(自身を除く): 33024448

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1123, 1769, 2246, 3538, 4492, 7076, 8984, 14152, 17968, 28304, 32567, 65134, 68503, 130268, 137006, 260536, 274012, 521072, 548024, 1096048, 1986587, 3973174, 7946348, 15892696, 31785392]

約数ペア:

[(1, 31785392), (2, 15892696), (4, 7946348), (8, 3973174), (16, 1986587), (29, 1096048), (58, 548024), (61, 521072), (116, 274012), (122, 260536), (232, 137006), (244, 130268), (464, 68503), (488, 65134), (976, 32567), (1123, 28304), (1769, 17968), (2246, 14152), (3538, 8984), (4492, 7076)]