321431474

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 80

約数和(自身を含む): 639972480

約数和(自身を除く): 318541006

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 271, 343, 494, 542, 637, 686, 931, 1274, 1729, 1862, 1897, 2401, 3458, 3523, 3794, 4459, 4802, 5149, 6517, 7046, 8918, 10298, 12103, 13034, 13279, 24206, 24661, 26558, 31213, 36043, 45619, 49322, 62426, 66937, 72086, 84721, 91238, 92953, 133874, 169442, 172627, 185906, 252301, 345254, 468559, 504602, 593047, 650671, 937118, 1186094, 1208389, 1301342, 1766107, 2416778, 3279913, 3532214, 6559826, 8458723, 12362749, 16917446, 22959391, 24725498, 45918782, 160715737, 321431474]

約数ペア:

[(1, 321431474), (2, 160715737), (7, 45918782), (13, 24725498), (14, 22959391), (19, 16917446), (26, 12362749), (38, 8458723), (49, 6559826), (91, 3532214), (98, 3279913), (133, 2416778), (182, 1766107), (247, 1301342), (266, 1208389), (271, 1186094), (343, 937118), (494, 650671), (542, 593047), (637, 504602), (686, 468559), (931, 345254), (1274, 252301), (1729, 185906), (1862, 172627), (1897, 169442), (2401, 133874), (3458, 92953), (3523, 91238), (3794, 84721), (4459, 72086), (4802, 66937), (5149, 62426), (6517, 49322), (7046, 45619), (8918, 36043), (10298, 31213), (12103, 26558), (13034, 24661), (13279, 24206)]