28311804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 77156352

約数和(自身を除く): 48844548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1103, 1116, 1426, 2139, 2206, 2852, 3309, 4278, 4412, 6417, 6618, 8556, 9927, 12834, 13236, 19854, 25369, 25668, 34193, 39708, 50738, 68386, 76107, 101476, 102579, 136772, 152214, 205158, 228321, 304428, 307737, 410316, 456642, 615474, 786439, 913284, 1230948, 1572878, 2359317, 3145756, 4718634, 7077951, 9437268, 14155902, 28311804]

約数ペア:

[(1, 28311804), (2, 14155902), (3, 9437268), (4, 7077951), (6, 4718634), (9, 3145756), (12, 2359317), (18, 1572878), (23, 1230948), (31, 913284), (36, 786439), (46, 615474), (62, 456642), (69, 410316), (92, 307737), (93, 304428), (124, 228321), (138, 205158), (186, 152214), (207, 136772), (276, 102579), (279, 101476), (372, 76107), (414, 68386), (558, 50738), (713, 39708), (828, 34193), (1103, 25668), (1116, 25369), (1426, 19854), (2139, 13236), (2206, 12834), (2852, 9927), (3309, 8556), (4278, 6618), (4412, 6417)]