81063448

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 157320000

約数和(自身を除く): 76256552

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 548, 1096, 1999, 3998, 5069, 7996, 10138, 15992, 20276, 40552, 73963, 147926, 273863, 295852, 547726, 591704, 1095452, 2190904, 10132931, 20265862, 40531724, 81063448]

約数ペア:

[(1, 81063448), (2, 40531724), (4, 20265862), (8, 10132931), (37, 2190904), (74, 1095452), (137, 591704), (148, 547726), (274, 295852), (296, 273863), (548, 147926), (1096, 73963), (1999, 40552), (3998, 20276), (5069, 15992), (7996, 10138)]