257594778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 679536000

約数和(自身を除く): 421941222

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 241, 306, 357, 482, 499, 714, 723, 998, 1071, 1446, 1497, 1687, 2142, 2169, 2994, 3374, 3493, 4097, 4338, 4491, 5061, 6986, 8194, 8483, 8982, 10122, 10479, 12291, 15183, 16966, 20958, 24582, 25449, 28679, 30366, 31437, 36873, 50898, 57358, 59381, 62874, 73746, 76347, 86037, 118762, 120259, 152694, 172074, 178143, 240518, 258111, 356286, 360777, 516222, 534429, 721554, 841813, 1068858, 1082331, 1683626, 2044403, 2164662, 2525439, 4088806, 5050878, 6133209, 7576317, 12266418, 14310821, 15152634, 18399627, 28621642, 36799254, 42932463, 85864926, 128797389, 257594778]

約数ペア:

[(1, 257594778), (2, 128797389), (3, 85864926), (6, 42932463), (7, 36799254), (9, 28621642), (14, 18399627), (17, 15152634), (18, 14310821), (21, 12266418), (34, 7576317), (42, 6133209), (51, 5050878), (63, 4088806), (102, 2525439), (119, 2164662), (126, 2044403), (153, 1683626), (238, 1082331), (241, 1068858), (306, 841813), (357, 721554), (482, 534429), (499, 516222), (714, 360777), (723, 356286), (998, 258111), (1071, 240518), (1446, 178143), (1497, 172074), (1687, 152694), (2142, 120259), (2169, 118762), (2994, 86037), (3374, 76347), (3493, 73746), (4097, 62874), (4338, 59381), (4491, 57358), (5061, 50898), (6986, 36873), (8194, 31437), (8483, 30366), (8982, 28679), (10122, 25449), (10479, 24582), (12291, 20958), (15183, 16966)]