31338486

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2201

約数の個数: 48

約数和(自身を含む): 73170240

約数和(自身を除く): 41831754

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2131, 2451, 4262, 4902, 6393, 7353, 12786, 14706, 19179, 38358, 40489, 80978, 91633, 121467, 183266, 242934, 274899, 364401, 549798, 728802, 824697, 1649394, 1741027, 3482054, 5223081, 10446162, 15669243, 31338486]

約数ペア:

[(1, 31338486), (2, 15669243), (3, 10446162), (6, 5223081), (9, 3482054), (18, 1741027), (19, 1649394), (38, 824697), (43, 728802), (57, 549798), (86, 364401), (114, 274899), (129, 242934), (171, 183266), (258, 121467), (342, 91633), (387, 80978), (774, 40489), (817, 38358), (1634, 19179), (2131, 14706), (2451, 12786), (4262, 7353), (4902, 6393)]