278345478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{10949}}^1$

素因数の和:11196

約数の個数: 32

約数和(自身を含む): 588672000

約数和(自身を除く): 310326522

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 1338, 4237, 8474, 10949, 12711, 21898, 25422, 32847, 65694, 208031, 416062, 624093, 1248186, 2441627, 4883254, 7324881, 14649762, 46390913, 92781826, 139172739, 278345478]

約数ペア:

[(1, 278345478), (2, 139172739), (3, 92781826), (6, 46390913), (19, 14649762), (38, 7324881), (57, 4883254), (114, 2441627), (223, 1248186), (446, 624093), (669, 416062), (1338, 208031), (4237, 65694), (8474, 32847), (10949, 25422), (12711, 21898)]