81011808

素因数分解:

$2^5\times 3^2\times {\mathrm{281291}}^1$

素因数の和:281307

約数の個数: 36

約数和(自身を含む): 230378148

約数和(自身を除く): 149366340

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 281291, 562582, 843873, 1125164, 1687746, 2250328, 2531619, 3375492, 4500656, 5063238, 6750984, 9001312, 10126476, 13501968, 20252952, 27003936, 40505904, 81011808]

約数ペア:

[(1, 81011808), (2, 40505904), (3, 27003936), (4, 20252952), (6, 13501968), (8, 10126476), (9, 9001312), (12, 6750984), (16, 5063238), (18, 4500656), (24, 3375492), (32, 2531619), (36, 2250328), (48, 1687746), (72, 1125164), (96, 843873), (144, 562582), (288, 281291)]