31186298

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 26729350

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 121, 143, 242, 253, 286, 299, 431, 506, 598, 862, 1573, 2783, 3146, 3289, 4741, 5566, 5603, 6578, 9482, 9913, 11206, 19826, 36179, 52151, 61633, 72358, 104302, 109043, 123266, 128869, 218086, 257738, 677963, 1199473, 1355926, 1417559, 2398946, 2835118, 15593149, 31186298]

約数ペア:

[(1, 31186298), (2, 15593149), (11, 2835118), (13, 2398946), (22, 1417559), (23, 1355926), (26, 1199473), (46, 677963), (121, 257738), (143, 218086), (242, 128869), (253, 123266), (286, 109043), (299, 104302), (431, 72358), (506, 61633), (598, 52151), (862, 36179), (1573, 19826), (2783, 11206), (3146, 9913), (3289, 9482), (4741, 6578), (5566, 5603)]