64895545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 102332160

約数和(自身を除く): 37436615

約数列:

[1, 5, 11, 13, 17, 19, 55, 65, 85, 95, 143, 187, 209, 221, 247, 281, 323, 715, 935, 1045, 1105, 1235, 1405, 1615, 2431, 2717, 3091, 3553, 3653, 4199, 4777, 5339, 12155, 13585, 15455, 17765, 18265, 20995, 23885, 26695, 40183, 46189, 52547, 58729, 62101, 69407, 90763, 200915, 230945, 262735, 293645, 310505, 347035, 453815, 683111, 763477, 998393, 1179919, 3415555, 3817385, 4991965, 5899595, 12979109, 64895545]

約数ペア:

[(1, 64895545), (5, 12979109), (11, 5899595), (13, 4991965), (17, 3817385), (19, 3415555), (55, 1179919), (65, 998393), (85, 763477), (95, 683111), (143, 453815), (187, 347035), (209, 310505), (221, 293645), (247, 262735), (281, 230945), (323, 200915), (715, 90763), (935, 69407), (1045, 62101), (1105, 58729), (1235, 52547), (1405, 46189), (1615, 40183), (2431, 26695), (2717, 23885), (3091, 20995), (3553, 18265), (3653, 17765), (4199, 15455), (4777, 13585), (5339, 12155)]