78576718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 56207282

約数列:

[1, 2, 11, 22, 29, 58, 79, 158, 319, 638, 869, 1559, 1738, 2291, 3118, 4582, 17149, 25201, 34298, 45211, 50402, 90422, 123161, 246322, 497321, 994642, 1354771, 2709542, 3571669, 7143338, 39288359, 78576718]

約数ペア:

[(1, 78576718), (2, 39288359), (11, 7143338), (22, 3571669), (29, 2709542), (58, 1354771), (79, 994642), (158, 497321), (319, 246322), (638, 123161), (869, 90422), (1559, 50402), (1738, 45211), (2291, 34298), (3118, 25201), (4582, 17149)]