289497712

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{32719}}^1$

素因数の和:32813

約数の個数: 40

約数和(自身を含む): 649164800

約数和(自身を除く): 359667088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 32719, 65438, 130876, 229033, 261752, 458066, 523504, 916132, 1832264, 2584801, 3664528, 5169602, 10339204, 18093607, 20678408, 36187214, 41356816, 72374428, 144748856, 289497712]

約数ペア:

[(1, 289497712), (2, 144748856), (4, 72374428), (7, 41356816), (8, 36187214), (14, 20678408), (16, 18093607), (28, 10339204), (56, 5169602), (79, 3664528), (112, 2584801), (158, 1832264), (316, 916132), (553, 523504), (632, 458066), (1106, 261752), (1264, 229033), (2212, 130876), (4424, 65438), (8848, 32719)]