31001388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 85155840

約数和(自身を除く): 54154452

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 47, 57, 66, 76, 94, 114, 132, 141, 188, 209, 228, 263, 282, 418, 517, 526, 564, 627, 789, 836, 893, 1034, 1052, 1254, 1551, 1578, 1786, 2068, 2508, 2679, 2893, 3102, 3156, 3572, 4997, 5358, 5786, 6204, 8679, 9823, 9994, 10716, 11572, 12361, 14991, 17358, 19646, 19988, 24722, 29469, 29982, 34716, 37083, 39292, 49444, 54967, 58938, 59964, 74166, 109934, 117876, 135971, 148332, 164901, 219868, 234859, 271942, 329802, 407913, 469718, 543884, 659604, 704577, 815826, 939436, 1409154, 1631652, 2583449, 2818308, 5166898, 7750347, 10333796, 15500694, 31001388]

約数ペア:

[(1, 31001388), (2, 15500694), (3, 10333796), (4, 7750347), (6, 5166898), (11, 2818308), (12, 2583449), (19, 1631652), (22, 1409154), (33, 939436), (38, 815826), (44, 704577), (47, 659604), (57, 543884), (66, 469718), (76, 407913), (94, 329802), (114, 271942), (132, 234859), (141, 219868), (188, 164901), (209, 148332), (228, 135971), (263, 117876), (282, 109934), (418, 74166), (517, 59964), (526, 58938), (564, 54967), (627, 49444), (789, 39292), (836, 37083), (893, 34716), (1034, 29982), (1052, 29469), (1254, 24722), (1551, 19988), (1578, 19646), (1786, 17358), (2068, 14991), (2508, 12361), (2679, 11572), (2893, 10716), (3102, 9994), (3156, 9823), (3572, 8679), (4997, 6204), (5358, 5786)]