81168152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41077}}^1$

素因数の和:41115

約数の個数: 32

約数和(自身を含む): 172527600

約数和(自身を除く): 91359448

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41077, 82154, 164308, 328616, 534001, 780463, 1068002, 1560926, 2136004, 3121852, 4272008, 6243704, 10146019, 20292038, 40584076, 81168152]

約数ペア:

[(1, 81168152), (2, 40584076), (4, 20292038), (8, 10146019), (13, 6243704), (19, 4272008), (26, 3121852), (38, 2136004), (52, 1560926), (76, 1068002), (104, 780463), (152, 534001), (247, 328616), (494, 164308), (988, 82154), (1976, 41077)]