31104788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 35302252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 89, 94, 143, 169, 178, 188, 286, 338, 356, 517, 572, 611, 676, 979, 1034, 1157, 1222, 1859, 1958, 2068, 2314, 2444, 3718, 3916, 4183, 4628, 6721, 7436, 7943, 8366, 12727, 13442, 15041, 15886, 16732, 25454, 26884, 30082, 31772, 46013, 50908, 54379, 60164, 87373, 92026, 108758, 165451, 174746, 184052, 217516, 330902, 349492, 598169, 661804, 706927, 1196338, 1413854, 2392676, 2827708, 7776197, 15552394, 31104788]

約数ペア:

[(1, 31104788), (2, 15552394), (4, 7776197), (11, 2827708), (13, 2392676), (22, 1413854), (26, 1196338), (44, 706927), (47, 661804), (52, 598169), (89, 349492), (94, 330902), (143, 217516), (169, 184052), (178, 174746), (188, 165451), (286, 108758), (338, 92026), (356, 87373), (517, 60164), (572, 54379), (611, 50908), (676, 46013), (979, 31772), (1034, 30082), (1157, 26884), (1222, 25454), (1859, 16732), (1958, 15886), (2068, 15041), (2314, 13442), (2444, 12727), (3718, 8366), (3916, 7943), (4183, 7436), (4628, 6721)]