81481864

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 155664000

約数和(自身を除く): 74182136

約数列:

[1, 2, 4, 8, 79, 158, 229, 316, 458, 563, 632, 916, 1126, 1832, 2252, 4504, 18091, 36182, 44477, 72364, 88954, 128927, 144728, 177908, 257854, 355816, 515708, 1031416, 10185233, 20370466, 40740932, 81481864]

約数ペア:

[(1, 81481864), (2, 40740932), (4, 20370466), (8, 10185233), (79, 1031416), (158, 515708), (229, 355816), (316, 257854), (458, 177908), (563, 144728), (632, 128927), (916, 88954), (1126, 72364), (1832, 44477), (2252, 36182), (4504, 18091)]