217390848

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 624777216

約数和(自身を除く): 407386368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 32, 46, 48, 62, 64, 69, 92, 93, 96, 124, 128, 138, 184, 186, 192, 248, 256, 276, 368, 372, 384, 397, 496, 552, 713, 736, 744, 768, 794, 992, 1104, 1191, 1426, 1472, 1488, 1588, 1984, 2139, 2208, 2382, 2852, 2944, 2976, 3176, 3968, 4278, 4416, 4764, 5704, 5888, 5952, 6352, 7936, 8556, 8832, 9131, 9528, 11408, 11904, 12307, 12704, 17112, 17664, 18262, 19056, 22816, 23808, 24614, 25408, 27393, 34224, 36524, 36921, 38112, 45632, 49228, 50816, 54786, 68448, 73048, 73842, 76224, 91264, 98456, 101632, 109572, 136896, 146096, 147684, 152448, 182528, 196912, 219144, 273792, 283061, 292192, 295368, 304896, 393824, 438288, 547584, 566122, 584384, 590736, 787648, 849183, 876576, 1132244, 1168768, 1181472, 1575296, 1698366, 1753152, 2264488, 2337536, 2362944, 3150592, 3396732, 3506304, 4528976, 4725888, 6793464, 7012608, 9057952, 9451776, 13586928, 18115904, 27173856, 36231808, 54347712, 72463616, 108695424, 217390848]

約数ペア:

[(1, 217390848), (2, 108695424), (3, 72463616), (4, 54347712), (6, 36231808), (8, 27173856), (12, 18115904), (16, 13586928), (23, 9451776), (24, 9057952), (31, 7012608), (32, 6793464), (46, 4725888), (48, 4528976), (62, 3506304), (64, 3396732), (69, 3150592), (92, 2362944), (93, 2337536), (96, 2264488), (124, 1753152), (128, 1698366), (138, 1575296), (184, 1181472), (186, 1168768), (192, 1132244), (248, 876576), (256, 849183), (276, 787648), (368, 590736), (372, 584384), (384, 566122), (397, 547584), (496, 438288), (552, 393824), (713, 304896), (736, 295368), (744, 292192), (768, 283061), (794, 273792), (992, 219144), (1104, 196912), (1191, 182528), (1426, 152448), (1472, 147684), (1488, 146096), (1588, 136896), (1984, 109572), (2139, 101632), (2208, 98456), (2382, 91264), (2852, 76224), (2944, 73842), (2976, 73048), (3176, 68448), (3968, 54786), (4278, 50816), (4416, 49228), (4764, 45632), (5704, 38112), (5888, 36921), (5952, 36524), (6352, 34224), (7936, 27393), (8556, 25408), (8832, 24614), (9131, 23808), (9528, 22816), (11408, 19056), (11904, 18262), (12307, 17664), (12704, 17112)]