198885762

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 438721920

約数和(自身を除く): 239836158

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 239, 249, 478, 498, 557, 717, 747, 1114, 1434, 1494, 1671, 2151, 3342, 4302, 5013, 10026, 19837, 39674, 46231, 59511, 92462, 119022, 133123, 138693, 178533, 266246, 277386, 357066, 399369, 416079, 798738, 832158, 1198107, 2396214, 11049209, 22098418, 33147627, 66295254, 99442881, 198885762]

約数ペア:

[(1, 198885762), (2, 99442881), (3, 66295254), (6, 33147627), (9, 22098418), (18, 11049209), (83, 2396214), (166, 1198107), (239, 832158), (249, 798738), (478, 416079), (498, 399369), (557, 357066), (717, 277386), (747, 266246), (1114, 178533), (1434, 138693), (1494, 133123), (1671, 119022), (2151, 92462), (3342, 59511), (4302, 46231), (5013, 39674), (10026, 19837)]