1258740028

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{70573}}^1$

素因数の和:70611

約数の個数: 48

約数和(自身を含む): 2766500800

約数和(自身を除く): 1507760772

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 2548, 4459, 8918, 17836, 70573, 141146, 282292, 494011, 917449, 988022, 1834898, 1976044, 3458077, 3669796, 6422143, 6916154, 12844286, 13832308, 24206539, 25688572, 44955001, 48413078, 89910002, 96826156, 179820004, 314685007, 629370014, 1258740028]

約数ペア:

[(1, 1258740028), (2, 629370014), (4, 314685007), (7, 179820004), (13, 96826156), (14, 89910002), (26, 48413078), (28, 44955001), (49, 25688572), (52, 24206539), (91, 13832308), (98, 12844286), (182, 6916154), (196, 6422143), (343, 3669796), (364, 3458077), (637, 1976044), (686, 1834898), (1274, 988022), (1372, 917449), (2548, 494011), (4459, 282292), (8918, 141146), (17836, 70573)]