138578388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{888323}}^1$

素因数の和:888343

約数の個数: 24

約数和(自身を含む): 348223008

約数和(自身を除く): 209644620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 888323, 1776646, 2664969, 3553292, 5329938, 10659876, 11548199, 23096398, 34644597, 46192796, 69289194, 138578388]

約数ペア:

[(1, 138578388), (2, 69289194), (3, 46192796), (4, 34644597), (6, 23096398), (12, 11548199), (13, 10659876), (26, 5329938), (39, 3553292), (52, 2664969), (78, 1776646), (156, 888323)]