31971798

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 73912176

約数和(自身を除く): 41940378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 163, 306, 326, 489, 641, 978, 1282, 1467, 1923, 2771, 2934, 3846, 5542, 5769, 8313, 10897, 11538, 16626, 21794, 24939, 32691, 49878, 65382, 98073, 104483, 196146, 208966, 313449, 626898, 940347, 1776211, 1880694, 3552422, 5328633, 10657266, 15985899, 31971798]

約数ペア:

[(1, 31971798), (2, 15985899), (3, 10657266), (6, 5328633), (9, 3552422), (17, 1880694), (18, 1776211), (34, 940347), (51, 626898), (102, 313449), (153, 208966), (163, 196146), (306, 104483), (326, 98073), (489, 65382), (641, 49878), (978, 32691), (1282, 24939), (1467, 21794), (1923, 16626), (2771, 11538), (2934, 10897), (3846, 8313), (5542, 5769)]