128463896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1657}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 263224080

約数和(自身を除く): 134760184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 881, 1657, 1762, 3314, 3524, 6628, 7048, 9691, 13256, 18227, 19382, 36454, 38764, 72908, 77528, 145816, 1459817, 2919634, 5839268, 11678536, 16057987, 32115974, 64231948, 128463896]

約数ペア:

[(1, 128463896), (2, 64231948), (4, 32115974), (8, 16057987), (11, 11678536), (22, 5839268), (44, 2919634), (88, 1459817), (881, 145816), (1657, 77528), (1762, 72908), (3314, 38764), (3524, 36454), (6628, 19382), (7048, 18227), (9691, 13256)]