678697638

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 1403303616

約数和(自身を除く): 724605978

約数列:

[1, 2, 3, 6, 43, 86, 129, 131, 258, 262, 393, 467, 786, 934, 1401, 1849, 2802, 3698, 5547, 5633, 11094, 11266, 16899, 20081, 33798, 40162, 60243, 61177, 120486, 122354, 183531, 242219, 367062, 484438, 726657, 863483, 1453314, 1726966, 2590449, 2630611, 5180898, 5261222, 7891833, 15783666, 113116273, 226232546, 339348819, 678697638]

約数ペア:

[(1, 678697638), (2, 339348819), (3, 226232546), (6, 113116273), (43, 15783666), (86, 7891833), (129, 5261222), (131, 5180898), (258, 2630611), (262, 2590449), (393, 1726966), (467, 1453314), (786, 863483), (934, 726657), (1401, 484438), (1849, 367062), (2802, 242219), (3698, 183531), (5547, 122354), (5633, 120486), (11094, 61177), (11266, 60243), (16899, 40162), (20081, 33798)]