7940268

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 84

約数和(自身を含む): 23871120

約数和(自身を除く): 15930852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 389, 486, 567, 729, 756, 778, 972, 1134, 1167, 1458, 1556, 1701, 2268, 2334, 2723, 2916, 3402, 3501, 4668, 5103, 5446, 6804, 7002, 8169, 10206, 10503, 10892, 14004, 16338, 20412, 21006, 24507, 31509, 32676, 42012, 49014, 63018, 73521, 94527, 98028, 126036, 147042, 189054, 220563, 283581, 294084, 378108, 441126, 567162, 661689, 882252, 1134324, 1323378, 1985067, 2646756, 3970134, 7940268]

約数ペア:

[(1, 7940268), (2, 3970134), (3, 2646756), (4, 1985067), (6, 1323378), (7, 1134324), (9, 882252), (12, 661689), (14, 567162), (18, 441126), (21, 378108), (27, 294084), (28, 283581), (36, 220563), (42, 189054), (54, 147042), (63, 126036), (81, 98028), (84, 94527), (108, 73521), (126, 63018), (162, 49014), (189, 42012), (243, 32676), (252, 31509), (324, 24507), (378, 21006), (389, 20412), (486, 16338), (567, 14004), (729, 10892), (756, 10503), (778, 10206), (972, 8169), (1134, 7002), (1167, 6804), (1458, 5446), (1556, 5103), (1701, 4668), (2268, 3501), (2334, 3402), (2723, 2916)]