9940028

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2351}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 20020224

約数和(自身を除く): 10080196

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 2351, 4228, 4702, 9404, 16457, 32914, 65828, 355001, 710002, 1420004, 2485007, 4970014, 9940028]

約数ペア:

[(1, 9940028), (2, 4970014), (4, 2485007), (7, 1420004), (14, 710002), (28, 355001), (151, 65828), (302, 32914), (604, 16457), (1057, 9404), (2114, 4702), (2351, 4228)]