405644018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1\times {\mathrm{5717}}^1$

素因数の和:8461

約数の個数: 16

約数和(自身を含む): 655625880

約数和(自身を除く): 249981862

約数列:

[1, 2, 13, 26, 2729, 5458, 5717, 11434, 35477, 70954, 74321, 148642, 15601693, 31203386, 202822009, 405644018]

約数ペア:

[(1, 405644018), (2, 202822009), (13, 31203386), (26, 15601693), (2729, 148642), (5458, 74321), (5717, 70954), (11434, 35477)]