31213546

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 29750294

約数列:

[1, 2, 7, 13, 14, 26, 41, 47, 82, 89, 91, 94, 178, 182, 287, 329, 533, 574, 611, 623, 658, 1066, 1157, 1222, 1246, 1927, 2314, 3649, 3731, 3854, 4183, 4277, 7298, 7462, 8099, 8366, 8554, 13489, 16198, 25051, 25543, 26978, 29281, 47437, 50102, 51086, 54379, 58562, 94874, 108758, 171503, 175357, 332059, 343006, 350714, 380653, 664118, 761306, 1200521, 2229539, 2401042, 4459078, 15606773, 31213546]

約数ペア:

[(1, 31213546), (2, 15606773), (7, 4459078), (13, 2401042), (14, 2229539), (26, 1200521), (41, 761306), (47, 664118), (82, 380653), (89, 350714), (91, 343006), (94, 332059), (178, 175357), (182, 171503), (287, 108758), (329, 94874), (533, 58562), (574, 54379), (611, 51086), (623, 50102), (658, 47437), (1066, 29281), (1157, 26978), (1222, 25543), (1246, 25051), (1927, 16198), (2314, 13489), (3649, 8554), (3731, 8366), (3854, 8099), (4183, 7462), (4277, 7298)]