81219656

素因数分解:

$2^3\times 7^3\times {\mathrm{29599}}^1$

素因数の和:29626

約数の個数: 32

約数和(自身を含む): 177600000

約数和(自身を除く): 96380344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 29599, 59198, 118396, 207193, 236792, 414386, 828772, 1450351, 1657544, 2900702, 5801404, 10152457, 11602808, 20304914, 40609828, 81219656]

約数ペア:

[(1, 81219656), (2, 40609828), (4, 20304914), (7, 11602808), (8, 10152457), (14, 5801404), (28, 2900702), (49, 1657544), (56, 1450351), (98, 828772), (196, 414386), (343, 236792), (392, 207193), (686, 118396), (1372, 59198), (2744, 29599)]