1388722013

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1\times {\mathrm{2437}}^1$

素因数の和:3212

約数の個数: 16

約数和(自身を含む): 1602760704

約数和(自身を除く): 214038691

約数列:

[1, 7, 127, 641, 889, 2437, 4487, 17059, 81407, 309499, 569849, 1562117, 2166493, 10934819, 198388859, 1388722013]

約数ペア:

[(1, 1388722013), (7, 198388859), (127, 10934819), (641, 2166493), (889, 1562117), (2437, 569849), (4487, 309499), (17059, 81407)]