72168018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21517}}^1$

素因数の和:21578

約数の個数: 32

約数和(自身を含む): 159061056

約数和(自身を除く): 86893038

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 21517, 43034, 64551, 129102, 279721, 559442, 839163, 925231, 1678326, 1850462, 2775693, 5551386, 12028003, 24056006, 36084009, 72168018]

約数ペア:

[(1, 72168018), (2, 36084009), (3, 24056006), (6, 12028003), (13, 5551386), (26, 2775693), (39, 1850462), (43, 1678326), (78, 925231), (86, 839163), (129, 559442), (258, 279721), (559, 129102), (1118, 64551), (1677, 43034), (3354, 21517)]