31218516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 93711072

約数和(自身を除く): 62492556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 67, 84, 86, 126, 129, 134, 172, 201, 252, 258, 268, 301, 387, 402, 469, 516, 602, 603, 774, 804, 903, 938, 1204, 1206, 1407, 1548, 1806, 1849, 1876, 2412, 2709, 2814, 2881, 3612, 3698, 4221, 5418, 5547, 5628, 5762, 7396, 8442, 8643, 10836, 11094, 11524, 12943, 16641, 16884, 17286, 20167, 22188, 25886, 25929, 33282, 34572, 38829, 40334, 51772, 51858, 60501, 66564, 77658, 80668, 103716, 116487, 121002, 123883, 155316, 181503, 232974, 242004, 247766, 363006, 371649, 465948, 495532, 726012, 743298, 867181, 1114947, 1486596, 1734362, 2229894, 2601543, 3468724, 4459788, 5203086, 7804629, 10406172, 15609258, 31218516]

約数ペア:

[(1, 31218516), (2, 15609258), (3, 10406172), (4, 7804629), (6, 5203086), (7, 4459788), (9, 3468724), (12, 2601543), (14, 2229894), (18, 1734362), (21, 1486596), (28, 1114947), (36, 867181), (42, 743298), (43, 726012), (63, 495532), (67, 465948), (84, 371649), (86, 363006), (126, 247766), (129, 242004), (134, 232974), (172, 181503), (201, 155316), (252, 123883), (258, 121002), (268, 116487), (301, 103716), (387, 80668), (402, 77658), (469, 66564), (516, 60501), (602, 51858), (603, 51772), (774, 40334), (804, 38829), (903, 34572), (938, 33282), (1204, 25929), (1206, 25886), (1407, 22188), (1548, 20167), (1806, 17286), (1849, 16884), (1876, 16641), (2412, 12943), (2709, 11524), (2814, 11094), (2881, 10836), (3612, 8643), (3698, 8442), (4221, 7396), (5418, 5762), (5547, 5628)]