726074128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{5281}}^1$

素因数の和:5963

約数の個数: 40

約数和(自身を含む): 1517560856

約数和(自身を除く): 791486728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 661, 1322, 2644, 5281, 5288, 8593, 10562, 10576, 17186, 21124, 34372, 42248, 68653, 68744, 84496, 137306, 137488, 274612, 549224, 1098448, 3490741, 6981482, 13962964, 27925928, 45379633, 55851856, 90759266, 181518532, 363037064, 726074128]

約数ペア:

[(1, 726074128), (2, 363037064), (4, 181518532), (8, 90759266), (13, 55851856), (16, 45379633), (26, 27925928), (52, 13962964), (104, 6981482), (208, 3490741), (661, 1098448), (1322, 549224), (2644, 274612), (5281, 137488), (5288, 137306), (8593, 84496), (10562, 68744), (10576, 68653), (17186, 42248), (21124, 34372)]