28870218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123377}}^1$

素因数の和:123398

約数の個数: 24

約数和(自身を含む): 67364388

約数和(自身を除く): 38494170

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123377, 246754, 370131, 740262, 1110393, 1603901, 2220786, 3207802, 4811703, 9623406, 14435109, 28870218]

約数ペア:

[(1, 28870218), (2, 14435109), (3, 9623406), (6, 4811703), (9, 3207802), (13, 2220786), (18, 1603901), (26, 1110393), (39, 740262), (78, 370131), (117, 246754), (234, 123377)]