2168800921

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{1747}}^1\times {\mathrm{2647}}^1$

素因数の和:4468

約数の個数: 16

約数和(自身を含む): 2518014976

約数和(自身を除く): 349214055

約数列:

[1, 7, 67, 469, 1747, 2647, 12229, 18529, 117049, 177349, 819343, 1241443, 4624309, 32370163, 309828703, 2168800921]

約数ペア:

[(1, 2168800921), (7, 309828703), (67, 32370163), (469, 4624309), (1747, 1241443), (2647, 819343), (12229, 177349), (18529, 117049)]