278734142

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 467920800

約数和(自身を除く): 189186658

約数列:

[1, 2, 17, 19, 34, 38, 289, 323, 578, 646, 1493, 2986, 4913, 5491, 9826, 10982, 25381, 28367, 50762, 56734, 93347, 186694, 431477, 482239, 862954, 964478, 7335109, 8198063, 14670218, 16396126, 139367071, 278734142]

約数ペア:

[(1, 278734142), (2, 139367071), (17, 16396126), (19, 14670218), (34, 8198063), (38, 7335109), (289, 964478), (323, 862954), (578, 482239), (646, 431477), (1493, 186694), (2986, 93347), (4913, 56734), (5491, 50762), (9826, 28367), (10982, 25381)]