78897748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{40009}}^1$

素因数の和:40059

約数の個数: 24

約数和(自身を含む): 151237800

約数和(自身を除く): 72340052

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 40009, 80018, 160036, 680153, 1160261, 1360306, 2320522, 2720612, 4641044, 19724437, 39448874, 78897748]

約数ペア:

[(1, 78897748), (2, 39448874), (4, 19724437), (17, 4641044), (29, 2720612), (34, 2320522), (58, 1360306), (68, 1160261), (116, 680153), (493, 160036), (986, 80018), (1972, 40009)]