256939788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 706019328

約数和(自身を除く): 449079540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 151, 188, 282, 302, 329, 431, 453, 564, 604, 658, 862, 906, 987, 1057, 1293, 1316, 1724, 1812, 1974, 2114, 2586, 3017, 3171, 3948, 4228, 5172, 6034, 6342, 7097, 9051, 12068, 12684, 14194, 18102, 20257, 21291, 28388, 36204, 40514, 42582, 49679, 60771, 65081, 81028, 85164, 99358, 121542, 130162, 141799, 149037, 195243, 198716, 243084, 260324, 283598, 298074, 390486, 425397, 455567, 567196, 596148, 780972, 850794, 911134, 1366701, 1701588, 1822268, 2733402, 3058807, 5466804, 6117614, 9176421, 12235228, 18352842, 21411649, 36705684, 42823298, 64234947, 85646596, 128469894, 256939788]

約数ペア:

[(1, 256939788), (2, 128469894), (3, 85646596), (4, 64234947), (6, 42823298), (7, 36705684), (12, 21411649), (14, 18352842), (21, 12235228), (28, 9176421), (42, 6117614), (47, 5466804), (84, 3058807), (94, 2733402), (141, 1822268), (151, 1701588), (188, 1366701), (282, 911134), (302, 850794), (329, 780972), (431, 596148), (453, 567196), (564, 455567), (604, 425397), (658, 390486), (862, 298074), (906, 283598), (987, 260324), (1057, 243084), (1293, 198716), (1316, 195243), (1724, 149037), (1812, 141799), (1974, 130162), (2114, 121542), (2586, 99358), (3017, 85164), (3171, 81028), (3948, 65081), (4228, 60771), (5172, 49679), (6034, 42582), (6342, 40514), (7097, 36204), (9051, 28388), (12068, 21291), (12684, 20257), (14194, 18102)]