2121541919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{8779}}^1$

素因数の和:8907

約数の個数: 32

約数和(自身を含む): 2697216000

約数和(自身を除く): 575674081

約数列:

[1, 7, 19, 23, 79, 133, 161, 437, 553, 1501, 1817, 3059, 8779, 10507, 12719, 34523, 61453, 166801, 201917, 241661, 693541, 1167607, 1413419, 3836423, 4854787, 13177279, 15951443, 26854961, 92240953, 111660101, 303077417, 2121541919]

約数ペア:

[(1, 2121541919), (7, 303077417), (19, 111660101), (23, 92240953), (79, 26854961), (133, 15951443), (161, 13177279), (437, 4854787), (553, 3836423), (1501, 1413419), (1817, 1167607), (3059, 693541), (8779, 241661), (10507, 201917), (12719, 166801), (34523, 61453)]