15672042128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{990397}}^1$

素因数の和:990471

約数の個数: 40

約数和(自身を含む): 32421668928

約数和(自身を除く): 16749626800

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 990397, 1980794, 3961588, 7923176, 15846352, 22779131, 42587071, 45558262, 85174142, 91116524, 170348284, 182233048, 340696568, 364466096, 681393136, 979502633, 1959005266, 3918010532, 7836021064, 15672042128]

約数ペア:

[(1, 15672042128), (2, 7836021064), (4, 3918010532), (8, 1959005266), (16, 979502633), (23, 681393136), (43, 364466096), (46, 340696568), (86, 182233048), (92, 170348284), (172, 91116524), (184, 85174142), (344, 45558262), (368, 42587071), (688, 22779131), (989, 15846352), (1978, 7923176), (3956, 3961588), (7912, 1980794), (15824, 990397)]