31591378

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 60127704

約数和(自身を除く): 28536326

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 137, 181, 182, 274, 362, 637, 959, 1267, 1274, 1781, 1918, 2353, 2534, 3562, 4706, 6713, 8869, 12467, 13426, 16471, 17738, 24797, 24934, 32942, 49594, 87269, 115297, 173579, 174538, 230594, 322361, 347158, 644722, 1215053, 2256527, 2430106, 4513054, 15795689, 31591378]

約数ペア:

[(1, 31591378), (2, 15795689), (7, 4513054), (13, 2430106), (14, 2256527), (26, 1215053), (49, 644722), (91, 347158), (98, 322361), (137, 230594), (181, 174538), (182, 173579), (274, 115297), (362, 87269), (637, 49594), (959, 32942), (1267, 24934), (1274, 24797), (1781, 17738), (1918, 16471), (2353, 13426), (2534, 12467), (3562, 8869), (4706, 6713)]