81473658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{11213}}^1$

素因数の和:11398

約数の個数: 32

約数和(自身を含む): 187318656

約数和(自身を除く): 105844998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 3633, 7266, 11213, 22426, 33639, 67278, 78491, 156982, 235473, 470946, 1939849, 3879698, 5819547, 11639094, 13578943, 27157886, 40736829, 81473658]

約数ペア:

[(1, 81473658), (2, 40736829), (3, 27157886), (6, 13578943), (7, 11639094), (14, 5819547), (21, 3879698), (42, 1939849), (173, 470946), (346, 235473), (519, 156982), (1038, 78491), (1211, 67278), (2422, 33639), (3633, 22426), (7266, 11213)]