256889622

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 621084672

約数和(自身を除く): 364195050

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 53, 62, 66, 69, 93, 103, 106, 138, 159, 186, 206, 253, 309, 318, 341, 506, 583, 618, 682, 713, 759, 1023, 1133, 1166, 1219, 1426, 1518, 1643, 1749, 2046, 2139, 2266, 2369, 2438, 3193, 3286, 3399, 3498, 3657, 4278, 4738, 4929, 5459, 6386, 6798, 7107, 7314, 7843, 9579, 9858, 10918, 13409, 14214, 15686, 16377, 18073, 19158, 23529, 26059, 26818, 32754, 35123, 36146, 37789, 40227, 47058, 52118, 54219, 60049, 70246, 73439, 75578, 78177, 80454, 105369, 108438, 113367, 120098, 125557, 146878, 156354, 169229, 180147, 210738, 220317, 226734, 251114, 338458, 360294, 376671, 415679, 440634, 507687, 753342, 807829, 831358, 1015374, 1247037, 1381127, 1615658, 1861519, 2423487, 2494074, 2762254, 3723038, 3892267, 4143381, 4846974, 5584557, 7784534, 8286762, 11169114, 11676801, 23353602, 42814937, 85629874, 128444811, 256889622]

約数ペア:

[(1, 256889622), (2, 128444811), (3, 85629874), (6, 42814937), (11, 23353602), (22, 11676801), (23, 11169114), (31, 8286762), (33, 7784534), (46, 5584557), (53, 4846974), (62, 4143381), (66, 3892267), (69, 3723038), (93, 2762254), (103, 2494074), (106, 2423487), (138, 1861519), (159, 1615658), (186, 1381127), (206, 1247037), (253, 1015374), (309, 831358), (318, 807829), (341, 753342), (506, 507687), (583, 440634), (618, 415679), (682, 376671), (713, 360294), (759, 338458), (1023, 251114), (1133, 226734), (1166, 220317), (1219, 210738), (1426, 180147), (1518, 169229), (1643, 156354), (1749, 146878), (2046, 125557), (2139, 120098), (2266, 113367), (2369, 108438), (2438, 105369), (3193, 80454), (3286, 78177), (3399, 75578), (3498, 73439), (3657, 70246), (4278, 60049), (4738, 54219), (4929, 52118), (5459, 47058), (6386, 40227), (6798, 37789), (7107, 36146), (7314, 35123), (7843, 32754), (9579, 26818), (9858, 26059), (10918, 23529), (13409, 19158), (14214, 18073), (15686, 16377)]