31470208

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 81469440

約数和(自身を除く): 49999232

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 103, 112, 124, 128, 154, 176, 206, 217, 224, 248, 308, 341, 352, 412, 434, 448, 496, 616, 682, 704, 721, 824, 868, 896, 992, 1133, 1232, 1364, 1408, 1442, 1648, 1736, 1984, 2266, 2387, 2464, 2728, 2884, 3193, 3296, 3472, 3968, 4532, 4774, 4928, 5456, 5768, 6386, 6592, 6944, 7931, 9064, 9548, 9856, 10912, 11536, 12772, 13184, 13888, 15862, 18128, 19096, 21824, 22351, 23072, 25544, 27776, 31724, 35123, 36256, 38192, 43648, 44702, 46144, 51088, 63448, 70246, 72512, 76384, 89404, 92288, 102176, 126896, 140492, 145024, 152768, 178808, 204352, 245861, 253792, 280984, 305536, 357616, 408704, 491722, 507584, 561968, 715232, 983444, 1015168, 1123936, 1430464, 1966888, 2247872, 2860928, 3933776, 4495744, 7867552, 15735104, 31470208]

約数ペア:

[(1, 31470208), (2, 15735104), (4, 7867552), (7, 4495744), (8, 3933776), (11, 2860928), (14, 2247872), (16, 1966888), (22, 1430464), (28, 1123936), (31, 1015168), (32, 983444), (44, 715232), (56, 561968), (62, 507584), (64, 491722), (77, 408704), (88, 357616), (103, 305536), (112, 280984), (124, 253792), (128, 245861), (154, 204352), (176, 178808), (206, 152768), (217, 145024), (224, 140492), (248, 126896), (308, 102176), (341, 92288), (352, 89404), (412, 76384), (434, 72512), (448, 70246), (496, 63448), (616, 51088), (682, 46144), (704, 44702), (721, 43648), (824, 38192), (868, 36256), (896, 35123), (992, 31724), (1133, 27776), (1232, 25544), (1364, 23072), (1408, 22351), (1442, 21824), (1648, 19096), (1736, 18128), (1984, 15862), (2266, 13888), (2387, 13184), (2464, 12772), (2728, 11536), (2884, 10912), (3193, 9856), (3296, 9548), (3472, 9064), (3968, 7931), (4532, 6944), (4774, 6592), (4928, 6386), (5456, 5768)]