81779152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56167}}^1$

素因数の和:56195

約数の個数: 40

約数和(自身を含む): 195015296

約数和(自身を除く): 113236144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 56167, 112334, 224668, 393169, 449336, 730171, 786338, 898672, 1460342, 1572676, 2920684, 3145352, 5111197, 5841368, 6290704, 10222394, 11682736, 20444788, 40889576, 81779152]

約数ペア:

[(1, 81779152), (2, 40889576), (4, 20444788), (7, 11682736), (8, 10222394), (13, 6290704), (14, 5841368), (16, 5111197), (26, 3145352), (28, 2920684), (52, 1572676), (56, 1460342), (91, 898672), (104, 786338), (112, 730171), (182, 449336), (208, 393169), (364, 224668), (728, 112334), (1456, 56167)]