78404248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1447}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 158729760

約数和(自身を除く): 80325512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 521, 1042, 1447, 2084, 2894, 4168, 5788, 6773, 11576, 13546, 18811, 27092, 37622, 54184, 75244, 150488, 753887, 1507774, 3015548, 6031096, 9800531, 19601062, 39202124, 78404248]

約数ペア:

[(1, 78404248), (2, 39202124), (4, 19601062), (8, 9800531), (13, 6031096), (26, 3015548), (52, 1507774), (104, 753887), (521, 150488), (1042, 75244), (1447, 54184), (2084, 37622), (2894, 27092), (4168, 18811), (5788, 13546), (6773, 11576)]