81293456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6359}}^1$

素因数の和:6431

約数の個数: 40

約数和(自身を含む): 170346240

約数和(自身を除く): 89052784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3196, 6359, 6392, 12718, 12784, 25436, 50872, 101744, 108103, 216206, 298873, 432412, 597746, 864824, 1195492, 1729648, 2390984, 4781968, 5080841, 10161682, 20323364, 40646728, 81293456]

約数ペア:

[(1, 81293456), (2, 40646728), (4, 20323364), (8, 10161682), (16, 5080841), (17, 4781968), (34, 2390984), (47, 1729648), (68, 1195492), (94, 864824), (136, 597746), (188, 432412), (272, 298873), (376, 216206), (752, 108103), (799, 101744), (1598, 50872), (3196, 25436), (6359, 12784), (6392, 12718)]