398343998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{757}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 662952864

約数和(自身を除く): 264608866

約数列:

[1, 2, 13, 26, 37, 74, 481, 547, 757, 962, 1094, 1514, 7111, 9841, 14222, 19682, 20239, 28009, 40478, 56018, 263107, 364117, 414079, 526214, 728234, 828158, 5383027, 10766054, 15320923, 30641846, 199171999, 398343998]

約数ペア:

[(1, 398343998), (2, 199171999), (13, 30641846), (26, 15320923), (37, 10766054), (74, 5383027), (481, 828158), (547, 728234), (757, 526214), (962, 414079), (1094, 364117), (1514, 263107), (7111, 56018), (9841, 40478), (14222, 28009), (19682, 20239)]