31912818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 81259200

約数和(自身を除く): 49346382

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 49, 57, 58, 87, 98, 114, 133, 147, 174, 197, 203, 266, 294, 394, 399, 406, 551, 591, 609, 798, 931, 1102, 1182, 1218, 1379, 1421, 1653, 1862, 2758, 2793, 2842, 3306, 3743, 3857, 4137, 4263, 5586, 5713, 7486, 7714, 8274, 8526, 9653, 11229, 11426, 11571, 17139, 19306, 22458, 23142, 26201, 26999, 28959, 34278, 39991, 52402, 53998, 57918, 78603, 79982, 80997, 108547, 119973, 157206, 161994, 183407, 217094, 239946, 279937, 325641, 366814, 550221, 559874, 651282, 759829, 839811, 1100442, 1519658, 1679622, 2279487, 4558974, 5318803, 10637606, 15956409, 31912818]

約数ペア:

[(1, 31912818), (2, 15956409), (3, 10637606), (6, 5318803), (7, 4558974), (14, 2279487), (19, 1679622), (21, 1519658), (29, 1100442), (38, 839811), (42, 759829), (49, 651282), (57, 559874), (58, 550221), (87, 366814), (98, 325641), (114, 279937), (133, 239946), (147, 217094), (174, 183407), (197, 161994), (203, 157206), (266, 119973), (294, 108547), (394, 80997), (399, 79982), (406, 78603), (551, 57918), (591, 53998), (609, 52402), (798, 39991), (931, 34278), (1102, 28959), (1182, 26999), (1218, 26201), (1379, 23142), (1421, 22458), (1653, 19306), (1862, 17139), (2758, 11571), (2793, 11426), (2842, 11229), (3306, 9653), (3743, 8526), (3857, 8274), (4137, 7714), (4263, 7486), (5586, 5713)]