81213072

素因数分解:

$2^4\times 3^1\times {\mathrm{1691939}}^1$

素因数の和:1691950

約数の個数: 20

約数和(自身を含む): 209800560

約数和(自身を除く): 128587488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1691939, 3383878, 5075817, 6767756, 10151634, 13535512, 20303268, 27071024, 40606536, 81213072]

約数ペア:

[(1, 81213072), (2, 40606536), (3, 27071024), (4, 20303268), (6, 13535512), (8, 10151634), (12, 6767756), (16, 5075817), (24, 3383878), (48, 1691939)]