78235213

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 97689600

約数和(自身を除く): 19454387

約数列:

[1, 7, 23, 47, 49, 161, 211, 329, 343, 1081, 1127, 1477, 2303, 4853, 7567, 7889, 9917, 10339, 16121, 33971, 52969, 69419, 72373, 228091, 237797, 370783, 485933, 1596637, 1664579, 3401531, 11176459, 78235213]

約数ペア:

[(1, 78235213), (7, 11176459), (23, 3401531), (47, 1664579), (49, 1596637), (161, 485933), (211, 370783), (329, 237797), (343, 228091), (1081, 72373), (1127, 69419), (1477, 52969), (2303, 33971), (4853, 16121), (7567, 10339), (7889, 9917)]