199123168

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1109}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 407272320

約数和(自身を除く): 208149152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 181, 248, 362, 496, 724, 992, 1109, 1448, 2218, 2896, 4436, 5611, 5792, 8872, 11222, 17744, 22444, 34379, 35488, 44888, 68758, 89776, 137516, 179552, 200729, 275032, 401458, 550064, 802916, 1100128, 1605832, 3211664, 6222599, 6423328, 12445198, 24890396, 49780792, 99561584, 199123168]

約数ペア:

[(1, 199123168), (2, 99561584), (4, 49780792), (8, 24890396), (16, 12445198), (31, 6423328), (32, 6222599), (62, 3211664), (124, 1605832), (181, 1100128), (248, 802916), (362, 550064), (496, 401458), (724, 275032), (992, 200729), (1109, 179552), (1448, 137516), (2218, 89776), (2896, 68758), (4436, 44888), (5611, 35488), (5792, 34379), (8872, 22444), (11222, 17744)]