28774490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 24

約数和(自身を含む): 52660692

約数和(自身を除く): 23886202

約数列:

[1, 2, 5, 10, 67, 134, 335, 641, 670, 1282, 3205, 4489, 6410, 8978, 22445, 42947, 44890, 85894, 214735, 429470, 2877449, 5754898, 14387245, 28774490]

約数ペア:

[(1, 28774490), (2, 14387245), (5, 5754898), (10, 2877449), (67, 429470), (134, 214735), (335, 85894), (641, 44890), (670, 42947), (1282, 22445), (3205, 8978), (4489, 6410)]