71991808

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 167935680

約数和(自身を除く): 95943872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 379, 424, 448, 512, 742, 758, 848, 896, 1484, 1516, 1696, 1792, 2653, 2968, 3032, 3392, 3584, 5306, 5936, 6064, 6784, 10612, 11872, 12128, 13568, 20087, 21224, 23744, 24256, 27136, 40174, 42448, 47488, 48512, 80348, 84896, 94976, 97024, 140609, 160696, 169792, 189952, 194048, 281218, 321392, 339584, 562436, 642784, 679168, 1124872, 1285568, 1358336, 2249744, 2571136, 4499488, 5142272, 8998976, 10284544, 17997952, 35995904, 71991808]

約数ペア:

[(1, 71991808), (2, 35995904), (4, 17997952), (7, 10284544), (8, 8998976), (14, 5142272), (16, 4499488), (28, 2571136), (32, 2249744), (53, 1358336), (56, 1285568), (64, 1124872), (106, 679168), (112, 642784), (128, 562436), (212, 339584), (224, 321392), (256, 281218), (371, 194048), (379, 189952), (424, 169792), (448, 160696), (512, 140609), (742, 97024), (758, 94976), (848, 84896), (896, 80348), (1484, 48512), (1516, 47488), (1696, 42448), (1792, 40174), (2653, 27136), (2968, 24256), (3032, 23744), (3392, 21224), (3584, 20087), (5306, 13568), (5936, 12128), (6064, 11872), (6784, 10612)]