71884288

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 80

約数和(自身を含む): 169703424

約数和(自身を除く): 97819136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 647, 868, 896, 992, 1294, 1736, 1792, 1984, 2588, 3472, 3584, 3968, 4529, 5176, 6944, 7936, 9058, 10352, 13888, 15872, 18116, 20057, 20704, 27776, 36232, 40114, 41408, 55552, 72464, 80228, 82816, 111104, 140399, 144928, 160456, 165632, 280798, 289856, 320912, 331264, 561596, 579712, 641824, 1123192, 1159424, 1283648, 2246384, 2318848, 2567296, 4492768, 5134592, 8985536, 10269184, 17971072, 35942144, 71884288]

約数ペア:

[(1, 71884288), (2, 35942144), (4, 17971072), (7, 10269184), (8, 8985536), (14, 5134592), (16, 4492768), (28, 2567296), (31, 2318848), (32, 2246384), (56, 1283648), (62, 1159424), (64, 1123192), (112, 641824), (124, 579712), (128, 561596), (217, 331264), (224, 320912), (248, 289856), (256, 280798), (434, 165632), (448, 160456), (496, 144928), (512, 140399), (647, 111104), (868, 82816), (896, 80228), (992, 72464), (1294, 55552), (1736, 41408), (1792, 40114), (1984, 36232), (2588, 27776), (3472, 20704), (3584, 20057), (3968, 18116), (4529, 15872), (5176, 13888), (6944, 10352), (7936, 9058)]