406989466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{220471}}^1$

素因数の和:220557

約数の個数: 16

約数和(自身を含む): 666707328

約数和(自身を除く): 259717862

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 220471, 440942, 2866123, 5732246, 15653441, 31306882, 203494733, 406989466]

約数ペア:

[(1, 406989466), (2, 203494733), (13, 31306882), (26, 15653441), (71, 5732246), (142, 2866123), (923, 440942), (1846, 220471)]