81003104

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27817}}^1$

素因数の和:27847

約数の個数: 48

約数和(自身を含む): 196283808

約数和(自身を除く): 115280704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 27817, 55634, 111268, 194719, 222536, 361621, 389438, 445072, 723242, 778876, 890144, 1446484, 1557752, 2531347, 2892968, 3115504, 5062694, 5785936, 6231008, 10125388, 11571872, 20250776, 40501552, 81003104]

約数ペア:

[(1, 81003104), (2, 40501552), (4, 20250776), (7, 11571872), (8, 10125388), (13, 6231008), (14, 5785936), (16, 5062694), (26, 3115504), (28, 2892968), (32, 2531347), (52, 1557752), (56, 1446484), (91, 890144), (104, 778876), (112, 723242), (182, 445072), (208, 389438), (224, 361621), (364, 222536), (416, 194719), (728, 111268), (1456, 55634), (2912, 27817)]