138930272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 295731072

約数和(自身を除く): 156800800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 337, 416, 674, 991, 1348, 1982, 2696, 3964, 4381, 5392, 7928, 8762, 10784, 12883, 15856, 17524, 25766, 31712, 35048, 51532, 70096, 103064, 140192, 206128, 333967, 412256, 667934, 1335868, 2671736, 4341571, 5343472, 8683142, 10686944, 17366284, 34732568, 69465136, 138930272]

約数ペア:

[(1, 138930272), (2, 69465136), (4, 34732568), (8, 17366284), (13, 10686944), (16, 8683142), (26, 5343472), (32, 4341571), (52, 2671736), (104, 1335868), (208, 667934), (337, 412256), (416, 333967), (674, 206128), (991, 140192), (1348, 103064), (1982, 70096), (2696, 51532), (3964, 35048), (4381, 31712), (5392, 25766), (7928, 17524), (8762, 15856), (10784, 12883)]