389618144

素因数分解:

$2^5\times {\mathrm{173}}^1\times {\mathrm{70379}}^1$

素因数の和:70562

約数の個数: 24

約数和(自身を含む): 771505560

約数和(自身を除く): 381887416

約数列:

[1, 2, 4, 8, 16, 32, 173, 346, 692, 1384, 2768, 5536, 70379, 140758, 281516, 563032, 1126064, 2252128, 12175567, 24351134, 48702268, 97404536, 194809072, 389618144]

約数ペア:

[(1, 389618144), (2, 194809072), (4, 97404536), (8, 48702268), (16, 24351134), (32, 12175567), (173, 2252128), (346, 1126064), (692, 563032), (1384, 281516), (2768, 140758), (5536, 70379)]