131578384

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37897}}^1$

素因数の和:37943

約数の個数: 40

約数和(自身を含む): 300758528

約数和(自身を除く): 169180144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 37897, 75794, 151588, 265279, 303176, 530558, 606352, 1061116, 1174807, 2122232, 2349614, 4244464, 4699228, 8223649, 9398456, 16447298, 18796912, 32894596, 65789192, 131578384]

約数ペア:

[(1, 131578384), (2, 65789192), (4, 32894596), (7, 18796912), (8, 16447298), (14, 9398456), (16, 8223649), (28, 4699228), (31, 4244464), (56, 2349614), (62, 2122232), (112, 1174807), (124, 1061116), (217, 606352), (248, 530558), (434, 303176), (496, 265279), (868, 151588), (1736, 75794), (3472, 37897)]