81356928

素因数分解:

$2^7\times 3^1\times {\mathrm{211867}}^1$

素因数の和:211884

約数の個数: 32

約数和(自身を含む): 216105360

約数和(自身を除く): 134748432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 211867, 423734, 635601, 847468, 1271202, 1694936, 2542404, 3389872, 5084808, 6779744, 10169616, 13559488, 20339232, 27118976, 40678464, 81356928]

約数ペア:

[(1, 81356928), (2, 40678464), (3, 27118976), (4, 20339232), (6, 13559488), (8, 10169616), (12, 6779744), (16, 5084808), (24, 3389872), (32, 2542404), (48, 1694936), (64, 1271202), (96, 847468), (128, 635601), (192, 423734), (384, 211867)]