1640731666

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4041211}}^1$

素因数の和:4041249

約数の個数: 16

約数和(自身を含む): 2909672640

約数和(自身を除く): 1268940974

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 4041211, 8082422, 28288477, 56576954, 117195119, 234390238, 820365833, 1640731666]

約数ペア:

[(1, 1640731666), (2, 820365833), (7, 234390238), (14, 117195119), (29, 56576954), (58, 28288477), (203, 8082422), (406, 4041211)]