31890348

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 98658560

約数和(自身を除く): 66768212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 109, 126, 129, 162, 172, 189, 218, 243, 252, 258, 301, 324, 327, 378, 387, 436, 486, 516, 567, 602, 654, 756, 763, 774, 903, 972, 981, 1134, 1161, 1204, 1308, 1526, 1548, 1701, 1806, 1962, 2268, 2289, 2322, 2709, 2943, 3052, 3402, 3483, 3612, 3924, 4578, 4644, 4687, 5418, 5886, 6804, 6867, 6966, 8127, 8829, 9156, 9374, 10449, 10836, 11772, 13734, 13932, 14061, 16254, 17658, 18748, 20601, 20898, 24381, 26487, 27468, 28122, 32508, 32809, 35316, 41202, 41796, 42183, 48762, 52974, 56244, 61803, 65618, 73143, 82404, 84366, 97524, 98427, 105948, 123606, 126549, 131236, 146286, 168732, 185409, 196854, 247212, 253098, 292572, 295281, 370818, 379647, 393708, 506196, 590562, 741636, 759294, 885843, 1138941, 1181124, 1518588, 1771686, 2277882, 2657529, 3543372, 4555764, 5315058, 7972587, 10630116, 15945174, 31890348]

約数ペア:

[(1, 31890348), (2, 15945174), (3, 10630116), (4, 7972587), (6, 5315058), (7, 4555764), (9, 3543372), (12, 2657529), (14, 2277882), (18, 1771686), (21, 1518588), (27, 1181124), (28, 1138941), (36, 885843), (42, 759294), (43, 741636), (54, 590562), (63, 506196), (81, 393708), (84, 379647), (86, 370818), (108, 295281), (109, 292572), (126, 253098), (129, 247212), (162, 196854), (172, 185409), (189, 168732), (218, 146286), (243, 131236), (252, 126549), (258, 123606), (301, 105948), (324, 98427), (327, 97524), (378, 84366), (387, 82404), (436, 73143), (486, 65618), (516, 61803), (567, 56244), (602, 52974), (654, 48762), (756, 42183), (763, 41796), (774, 41202), (903, 35316), (972, 32809), (981, 32508), (1134, 28122), (1161, 27468), (1204, 26487), (1308, 24381), (1526, 20898), (1548, 20601), (1701, 18748), (1806, 17658), (1962, 16254), (2268, 14061), (2289, 13932), (2322, 13734), (2709, 11772), (2943, 10836), (3052, 10449), (3402, 9374), (3483, 9156), (3612, 8829), (3924, 8127), (4578, 6966), (4644, 6867), (4687, 6804), (5418, 5886)]