161998428

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1777}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 387120384

約数和(自身を除く): 225121956

約数列:

[1, 2, 3, 4, 6, 12, 71, 107, 142, 213, 214, 284, 321, 426, 428, 642, 852, 1284, 1777, 3554, 5331, 7108, 7597, 10662, 15194, 21324, 22791, 30388, 45582, 91164, 126167, 190139, 252334, 378501, 380278, 504668, 570417, 757002, 760556, 1140834, 1514004, 2281668, 13499869, 26999738, 40499607, 53999476, 80999214, 161998428]

約数ペア:

[(1, 161998428), (2, 80999214), (3, 53999476), (4, 40499607), (6, 26999738), (12, 13499869), (71, 2281668), (107, 1514004), (142, 1140834), (213, 760556), (214, 757002), (284, 570417), (321, 504668), (426, 380278), (428, 378501), (642, 252334), (852, 190139), (1284, 126167), (1777, 91164), (3554, 45582), (5331, 30388), (7108, 22791), (7597, 21324), (10662, 15194)]