726642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 1847040

約数和(自身を除く): 1120398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 79, 126, 146, 158, 219, 237, 438, 474, 511, 553, 657, 711, 1022, 1106, 1314, 1422, 1533, 1659, 3066, 3318, 4599, 4977, 5767, 9198, 9954, 11534, 17301, 34602, 40369, 51903, 80738, 103806, 121107, 242214, 363321, 726642]

約数ペア:

[(1, 726642), (2, 363321), (3, 242214), (6, 121107), (7, 103806), (9, 80738), (14, 51903), (18, 40369), (21, 34602), (42, 17301), (63, 11534), (73, 9954), (79, 9198), (126, 5767), (146, 4977), (158, 4599), (219, 3318), (237, 3066), (438, 1659), (474, 1533), (511, 1422), (553, 1314), (657, 1106), (711, 1022)]