31630284

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 98313600

約数和(自身を除く): 66683316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 84, 86, 98, 108, 126, 129, 139, 147, 172, 189, 196, 252, 258, 278, 294, 301, 378, 387, 417, 441, 516, 556, 588, 602, 756, 774, 834, 882, 903, 973, 1161, 1204, 1251, 1323, 1548, 1668, 1764, 1806, 1946, 2107, 2322, 2502, 2646, 2709, 2919, 3612, 3753, 3892, 4214, 4644, 5004, 5292, 5418, 5838, 5977, 6321, 6811, 7506, 8127, 8428, 8757, 10836, 11676, 11954, 12642, 13622, 15012, 16254, 17514, 17931, 18963, 20433, 23908, 25284, 26271, 27244, 32508, 35028, 35862, 37926, 40866, 41839, 52542, 53793, 56889, 61299, 71724, 75852, 81732, 83678, 105084, 107586, 113778, 122598, 125517, 161379, 167356, 183897, 215172, 227556, 245196, 251034, 292873, 322758, 367794, 376551, 502068, 585746, 645516, 735588, 753102, 878619, 1129653, 1171492, 1506204, 1757238, 2259306, 2635857, 3514476, 4518612, 5271714, 7907571, 10543428, 15815142, 31630284]

約数ペア:

[(1, 31630284), (2, 15815142), (3, 10543428), (4, 7907571), (6, 5271714), (7, 4518612), (9, 3514476), (12, 2635857), (14, 2259306), (18, 1757238), (21, 1506204), (27, 1171492), (28, 1129653), (36, 878619), (42, 753102), (43, 735588), (49, 645516), (54, 585746), (63, 502068), (84, 376551), (86, 367794), (98, 322758), (108, 292873), (126, 251034), (129, 245196), (139, 227556), (147, 215172), (172, 183897), (189, 167356), (196, 161379), (252, 125517), (258, 122598), (278, 113778), (294, 107586), (301, 105084), (378, 83678), (387, 81732), (417, 75852), (441, 71724), (516, 61299), (556, 56889), (588, 53793), (602, 52542), (756, 41839), (774, 40866), (834, 37926), (882, 35862), (903, 35028), (973, 32508), (1161, 27244), (1204, 26271), (1251, 25284), (1323, 23908), (1548, 20433), (1668, 18963), (1764, 17931), (1806, 17514), (1946, 16254), (2107, 15012), (2322, 13622), (2502, 12642), (2646, 11954), (2709, 11676), (2919, 10836), (3612, 8757), (3753, 8428), (3892, 8127), (4214, 7506), (4644, 6811), (5004, 6321), (5292, 5977), (5418, 5838)]