31319982

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 73749312

約数和(自身を除く): 42429330

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 41, 62, 74, 82, 93, 111, 123, 186, 222, 246, 279, 333, 369, 558, 666, 738, 1147, 1271, 1369, 1517, 2294, 2542, 2738, 3034, 3441, 3813, 4107, 4551, 6882, 7626, 8214, 9102, 10323, 11439, 12321, 13653, 20646, 22878, 24642, 27306, 42439, 47027, 56129, 84878, 94054, 112258, 127317, 141081, 168387, 254634, 282162, 336774, 381951, 423243, 505161, 763902, 846486, 1010322, 1739999, 3479998, 5219997, 10439994, 15659991, 31319982]

約数ペア:

[(1, 31319982), (2, 15659991), (3, 10439994), (6, 5219997), (9, 3479998), (18, 1739999), (31, 1010322), (37, 846486), (41, 763902), (62, 505161), (74, 423243), (82, 381951), (93, 336774), (111, 282162), (123, 254634), (186, 168387), (222, 141081), (246, 127317), (279, 112258), (333, 94054), (369, 84878), (558, 56129), (666, 47027), (738, 42439), (1147, 27306), (1271, 24642), (1369, 22878), (1517, 20646), (2294, 13653), (2542, 12321), (2738, 11439), (3034, 10323), (3441, 9102), (3813, 8214), (4107, 7626), (4551, 6882)]