81471792

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12211}}^1$

素因数の和:12361

約数の個数: 40

約数和(自身を含む): 212000320

約数和(自身を除く): 130528528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672, 12211, 24422, 36633, 48844, 73266, 97688, 146532, 195376, 293064, 586128, 1697329, 3394658, 5091987, 6789316, 10183974, 13578632, 20367948, 27157264, 40735896, 81471792]

約数ペア:

[(1, 81471792), (2, 40735896), (3, 27157264), (4, 20367948), (6, 13578632), (8, 10183974), (12, 6789316), (16, 5091987), (24, 3394658), (48, 1697329), (139, 586128), (278, 293064), (417, 195376), (556, 146532), (834, 97688), (1112, 73266), (1668, 48844), (2224, 36633), (3336, 24422), (6672, 12211)]