261799596

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2271

約数の個数: 72

約数和(自身を含む): 686400624

約数和(自身を除く): 424601028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 83, 123, 164, 166, 246, 249, 332, 369, 492, 498, 738, 747, 996, 1476, 1494, 2137, 2988, 3403, 4274, 6411, 6806, 8548, 10209, 12822, 13612, 19233, 20418, 25644, 30627, 38466, 40836, 61254, 76932, 87617, 122508, 175234, 177371, 262851, 350468, 354742, 525702, 532113, 709484, 788553, 1051404, 1064226, 1577106, 1596339, 2128452, 3154212, 3192678, 6385356, 7272211, 14544422, 21816633, 29088844, 43633266, 65449899, 87266532, 130899798, 261799596]

約数ペア:

[(1, 261799596), (2, 130899798), (3, 87266532), (4, 65449899), (6, 43633266), (9, 29088844), (12, 21816633), (18, 14544422), (36, 7272211), (41, 6385356), (82, 3192678), (83, 3154212), (123, 2128452), (164, 1596339), (166, 1577106), (246, 1064226), (249, 1051404), (332, 788553), (369, 709484), (492, 532113), (498, 525702), (738, 354742), (747, 350468), (996, 262851), (1476, 177371), (1494, 175234), (2137, 122508), (2988, 87617), (3403, 76932), (4274, 61254), (6411, 40836), (6806, 38466), (8548, 30627), (10209, 25644), (12822, 20418), (13612, 19233)]