81506328

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78979}}^1$

素因数の和:79031

約数の個数: 32

約数和(自身を含む): 208507200

約数和(自身を除く): 127000872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 78979, 157958, 236937, 315916, 473874, 631832, 947748, 1895496, 3396097, 6792194, 10188291, 13584388, 20376582, 27168776, 40753164, 81506328]

約数ペア:

[(1, 81506328), (2, 40753164), (3, 27168776), (4, 20376582), (6, 13584388), (8, 10188291), (12, 6792194), (24, 3396097), (43, 1895496), (86, 947748), (129, 631832), (172, 473874), (258, 315916), (344, 236937), (516, 157958), (1032, 78979)]