397702928

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{16829}}^1$

素因数の和:17055

約数の個数: 40

約数和(自身を含む): 884854080

約数和(自身を除く): 487151152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 16829, 23632, 33658, 67316, 117803, 134632, 235606, 269264, 471212, 942424, 1884848, 3550919, 7101838, 14203676, 24856433, 28407352, 49712866, 56814704, 99425732, 198851464, 397702928]

約数ペア:

[(1, 397702928), (2, 198851464), (4, 99425732), (7, 56814704), (8, 49712866), (14, 28407352), (16, 24856433), (28, 14203676), (56, 7101838), (112, 3550919), (211, 1884848), (422, 942424), (844, 471212), (1477, 269264), (1688, 235606), (2954, 134632), (3376, 117803), (5908, 67316), (11816, 33658), (16829, 23632)]