128628738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23741}}^1$

素因数の和:23799

約数の個数: 48

約数和(自身を含む): 325930176

約数和(自身を除く): 197301438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5418, 23741, 47482, 71223, 142446, 166187, 213669, 332374, 427338, 498561, 997122, 1020863, 1495683, 2041726, 2991366, 3062589, 6125178, 7146041, 9187767, 14292082, 18375534, 21438123, 42876246, 64314369, 128628738]

約数ペア:

[(1, 128628738), (2, 64314369), (3, 42876246), (6, 21438123), (7, 18375534), (9, 14292082), (14, 9187767), (18, 7146041), (21, 6125178), (42, 3062589), (43, 2991366), (63, 2041726), (86, 1495683), (126, 1020863), (129, 997122), (258, 498561), (301, 427338), (387, 332374), (602, 213669), (774, 166187), (903, 142446), (1806, 71223), (2709, 47482), (5418, 23741)]