721796404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{4001}}^1$

素因数の和:4408

約数の個数: 48

約数和(自身を含む): 1532926080

約数和(自身を除く): 811129676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 379, 476, 758, 1516, 2653, 4001, 5306, 6443, 8002, 10612, 12886, 16004, 25772, 28007, 45101, 56014, 68017, 90202, 112028, 136034, 180404, 272068, 476119, 952238, 1516379, 1904476, 3032758, 6065516, 10614653, 21229306, 25778443, 42458612, 51556886, 103113772, 180449101, 360898202, 721796404]

約数ペア:

[(1, 721796404), (2, 360898202), (4, 180449101), (7, 103113772), (14, 51556886), (17, 42458612), (28, 25778443), (34, 21229306), (68, 10614653), (119, 6065516), (238, 3032758), (379, 1904476), (476, 1516379), (758, 952238), (1516, 476119), (2653, 272068), (4001, 180404), (5306, 136034), (6443, 112028), (8002, 90202), (10612, 68017), (12886, 56014), (16004, 45101), (25772, 28007)]