678393968

素因数分解:

$2^4\times 7^1\times {\mathrm{617}}^1\times {\mathrm{9817}}^1$

素因数の和:10449

約数の個数: 40

約数和(自身を含む): 1504745952

約数和(自身を除く): 826351984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 617, 1234, 2468, 4319, 4936, 8638, 9817, 9872, 17276, 19634, 34552, 39268, 68719, 69104, 78536, 137438, 157072, 274876, 549752, 1099504, 6057089, 12114178, 24228356, 42399623, 48456712, 84799246, 96913424, 169598492, 339196984, 678393968]

約数ペア:

[(1, 678393968), (2, 339196984), (4, 169598492), (7, 96913424), (8, 84799246), (14, 48456712), (16, 42399623), (28, 24228356), (56, 12114178), (112, 6057089), (617, 1099504), (1234, 549752), (2468, 274876), (4319, 157072), (4936, 137438), (8638, 78536), (9817, 69104), (9872, 68719), (17276, 39268), (19634, 34552)]