66940164

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 175567392

約数和(自身を除く): 108627228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 83, 86, 129, 166, 172, 249, 258, 332, 387, 498, 516, 521, 747, 774, 996, 1042, 1494, 1548, 1563, 2084, 2988, 3126, 3569, 4689, 6252, 7138, 9378, 10707, 14276, 18756, 21414, 22403, 32121, 42828, 43243, 44806, 64242, 67209, 86486, 89612, 128484, 129729, 134418, 172972, 201627, 259458, 268836, 389187, 403254, 518916, 778374, 806508, 1556748, 1859449, 3718898, 5578347, 7437796, 11156694, 16735041, 22313388, 33470082, 66940164]

約数ペア:

[(1, 66940164), (2, 33470082), (3, 22313388), (4, 16735041), (6, 11156694), (9, 7437796), (12, 5578347), (18, 3718898), (36, 1859449), (43, 1556748), (83, 806508), (86, 778374), (129, 518916), (166, 403254), (172, 389187), (249, 268836), (258, 259458), (332, 201627), (387, 172972), (498, 134418), (516, 129729), (521, 128484), (747, 89612), (774, 86486), (996, 67209), (1042, 64242), (1494, 44806), (1548, 43243), (1563, 42828), (2084, 32121), (2988, 22403), (3126, 21414), (3569, 18756), (4689, 14276), (6252, 10707), (7138, 9378)]