15781454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 10636210

約数列:

[1, 2, 13, 26, 71, 83, 103, 142, 166, 206, 923, 1079, 1339, 1846, 2158, 2678, 5893, 7313, 8549, 11786, 14626, 17098, 76609, 95069, 111137, 153218, 190138, 222274, 606979, 1213958, 7890727, 15781454]

約数ペア:

[(1, 15781454), (2, 7890727), (13, 1213958), (26, 606979), (71, 222274), (83, 190138), (103, 153218), (142, 111137), (166, 95069), (206, 76609), (923, 17098), (1079, 14626), (1339, 11786), (1846, 8549), (2158, 7313), (2678, 5893)]