165798256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41953}}^1$

素因数の和:41993

約数の個数: 40

約数和(自身を含む): 364160720

約数和(自身を除く): 198362464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 41953, 83906, 167812, 335624, 545389, 671248, 797107, 1090778, 1594214, 2181556, 3188428, 4363112, 6376856, 8726224, 10362391, 12753712, 20724782, 41449564, 82899128, 165798256]

約数ペア:

[(1, 165798256), (2, 82899128), (4, 41449564), (8, 20724782), (13, 12753712), (16, 10362391), (19, 8726224), (26, 6376856), (38, 4363112), (52, 3188428), (76, 2181556), (104, 1594214), (152, 1090778), (208, 797107), (247, 671248), (304, 545389), (494, 335624), (988, 167812), (1976, 83906), (3952, 41953)]