128261826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 359884800

約数和(自身を除く): 231622974

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 109, 126, 154, 189, 198, 218, 231, 283, 297, 327, 378, 462, 566, 594, 654, 693, 763, 849, 981, 1199, 1386, 1526, 1698, 1962, 1981, 2079, 2289, 2398, 2547, 2943, 3113, 3597, 3962, 4158, 4578, 5094, 5886, 5943, 6226, 6867, 7194, 7641, 8393, 9339, 10791, 11886, 13734, 15282, 16786, 17829, 18678, 20601, 21582, 21791, 25179, 28017, 30847, 32373, 35658, 41202, 43582, 50358, 53487, 56034, 61694, 64746, 65373, 75537, 84051, 92541, 106974, 130746, 151074, 168102, 185082, 196119, 215929, 226611, 277623, 339317, 392238, 431858, 453222, 555246, 588357, 647787, 678634, 832869, 1017951, 1176714, 1295574, 1665738, 1943361, 2035902, 2375219, 3053853, 3886722, 4750438, 5830083, 6107706, 7125657, 9161559, 11660166, 14251314, 18323118, 21376971, 42753942, 64130913, 128261826]

約数ペア:

[(1, 128261826), (2, 64130913), (3, 42753942), (6, 21376971), (7, 18323118), (9, 14251314), (11, 11660166), (14, 9161559), (18, 7125657), (21, 6107706), (22, 5830083), (27, 4750438), (33, 3886722), (42, 3053853), (54, 2375219), (63, 2035902), (66, 1943361), (77, 1665738), (99, 1295574), (109, 1176714), (126, 1017951), (154, 832869), (189, 678634), (198, 647787), (218, 588357), (231, 555246), (283, 453222), (297, 431858), (327, 392238), (378, 339317), (462, 277623), (566, 226611), (594, 215929), (654, 196119), (693, 185082), (763, 168102), (849, 151074), (981, 130746), (1199, 106974), (1386, 92541), (1526, 84051), (1698, 75537), (1962, 65373), (1981, 64746), (2079, 61694), (2289, 56034), (2398, 53487), (2547, 50358), (2943, 43582), (3113, 41202), (3597, 35658), (3962, 32373), (4158, 30847), (4578, 28017), (5094, 25179), (5886, 21791), (5943, 21582), (6226, 20601), (6867, 18678), (7194, 17829), (7641, 16786), (8393, 15282), (9339, 13734), (10791, 11886)]