71229328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5519

約数の個数: 40

約数和(自身を含む): 148676000

約数和(自身を除く): 77446672

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 5449, 6536, 10898, 13072, 21796, 43592, 87184, 103531, 207062, 234307, 414124, 468614, 828248, 937228, 1656496, 1874456, 3748912, 4451833, 8903666, 17807332, 35614664, 71229328]

約数ペア:

[(1, 71229328), (2, 35614664), (4, 17807332), (8, 8903666), (16, 4451833), (19, 3748912), (38, 1874456), (43, 1656496), (76, 937228), (86, 828248), (152, 468614), (172, 414124), (304, 234307), (344, 207062), (688, 103531), (817, 87184), (1634, 43592), (3268, 21796), (5449, 13072), (6536, 10898)]