199977698

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{887}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 335664000

約数和(自身を除く): 135686302

約数列:

[1, 2, 17, 19, 34, 38, 323, 349, 646, 698, 887, 1774, 5933, 6631, 11866, 13262, 15079, 16853, 30158, 33706, 112727, 225454, 286501, 309563, 573002, 619126, 5262571, 5881697, 10525142, 11763394, 99988849, 199977698]

約数ペア:

[(1, 199977698), (2, 99988849), (17, 11763394), (19, 10525142), (34, 5881697), (38, 5262571), (323, 619126), (349, 573002), (646, 309563), (698, 286501), (887, 225454), (1774, 112727), (5933, 33706), (6631, 30158), (11866, 16853), (13262, 15079)]