2013279965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{128603}}^1$

素因数の和:128740

約数の個数: 16

約数和(自身を含む): 2518580736

約数和(自身を除く): 505300771

約数列:

[1, 5, 31, 101, 155, 505, 3131, 15655, 128603, 643015, 3986693, 12988903, 19933465, 64944515, 402655993, 2013279965]

約数ペア:

[(1, 2013279965), (5, 402655993), (31, 64944515), (101, 19933465), (155, 12988903), (505, 3986693), (3131, 643015), (15655, 128603)]