81408

素因数分解:

$2^9\times 3^1\times {\mathrm{53}}^1$

素因数の和:74

約数の個数: 40

約数和(自身を含む): 220968

約数和(自身を除く): 139560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 256, 318, 384, 424, 512, 636, 768, 848, 1272, 1536, 1696, 2544, 3392, 5088, 6784, 10176, 13568, 20352, 27136, 40704, 81408]

約数ペア:

[(1, 81408), (2, 40704), (3, 27136), (4, 20352), (6, 13568), (8, 10176), (12, 6784), (16, 5088), (24, 3392), (32, 2544), (48, 1696), (53, 1536), (64, 1272), (96, 848), (106, 768), (128, 636), (159, 512), (192, 424), (212, 384), (256, 318)]