12981808

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3785

約数の個数: 40

約数和(自身を含む): 29680640

約数和(自身を除く): 16698832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 3739, 7478, 14956, 26173, 29912, 52346, 59824, 104692, 115909, 209384, 231818, 418768, 463636, 811363, 927272, 1622726, 1854544, 3245452, 6490904, 12981808]

約数ペア:

[(1, 12981808), (2, 6490904), (4, 3245452), (7, 1854544), (8, 1622726), (14, 927272), (16, 811363), (28, 463636), (31, 418768), (56, 231818), (62, 209384), (112, 115909), (124, 104692), (217, 59824), (248, 52346), (434, 29912), (496, 26173), (868, 14956), (1736, 7478), (3472, 3739)]