197999728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{10789}}^1$

素因数の和:10865

約数の個数: 40

約数和(自身を含む): 406739840

約数和(自身を除く): 208740112

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 2294, 4588, 9176, 10789, 18352, 21578, 43156, 86312, 172624, 334459, 399193, 668918, 798386, 1337836, 1596772, 2675672, 3193544, 5351344, 6387088, 12374983, 24749966, 49499932, 98999864, 197999728]

約数ペア:

[(1, 197999728), (2, 98999864), (4, 49499932), (8, 24749966), (16, 12374983), (31, 6387088), (37, 5351344), (62, 3193544), (74, 2675672), (124, 1596772), (148, 1337836), (248, 798386), (296, 668918), (496, 399193), (592, 334459), (1147, 172624), (2294, 86312), (4588, 43156), (9176, 21578), (10789, 18352)]