257499858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2260

約数の個数: 96

約数和(自身を含む): 675376128

約数和(自身を除く): 417876270

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 121, 138, 154, 161, 231, 242, 253, 322, 363, 462, 483, 506, 726, 759, 847, 966, 1518, 1694, 1771, 2203, 2541, 2783, 3542, 4406, 5082, 5313, 5566, 6609, 8349, 10626, 13218, 15421, 16698, 19481, 24233, 30842, 38962, 46263, 48466, 50669, 58443, 72699, 92526, 101338, 116886, 145398, 152007, 169631, 266563, 304014, 339262, 354683, 508893, 533126, 557359, 709366, 799689, 1017786, 1064049, 1114718, 1599378, 1672077, 1865941, 2128098, 3344154, 3731882, 3901513, 5597823, 6130949, 7803026, 11195646, 11704539, 12261898, 18392847, 23409078, 36785694, 42916643, 85833286, 128749929, 257499858]

約数ペア:

[(1, 257499858), (2, 128749929), (3, 85833286), (6, 42916643), (7, 36785694), (11, 23409078), (14, 18392847), (21, 12261898), (22, 11704539), (23, 11195646), (33, 7803026), (42, 6130949), (46, 5597823), (66, 3901513), (69, 3731882), (77, 3344154), (121, 2128098), (138, 1865941), (154, 1672077), (161, 1599378), (231, 1114718), (242, 1064049), (253, 1017786), (322, 799689), (363, 709366), (462, 557359), (483, 533126), (506, 508893), (726, 354683), (759, 339262), (847, 304014), (966, 266563), (1518, 169631), (1694, 152007), (1771, 145398), (2203, 116886), (2541, 101338), (2783, 92526), (3542, 72699), (4406, 58443), (5082, 50669), (5313, 48466), (5566, 46263), (6609, 38962), (8349, 30842), (10626, 24233), (13218, 19481), (15421, 16698)]