81230616

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3559}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 220755600

約数和(自身を除く): 139524984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 951, 1268, 1902, 2536, 2853, 3559, 3804, 5706, 7118, 7608, 10677, 11412, 14236, 21354, 22824, 28472, 32031, 42708, 64062, 85416, 128124, 256248, 1128203, 2256406, 3384609, 4512812, 6769218, 9025624, 10153827, 13538436, 20307654, 27076872, 40615308, 81230616]

約数ペア:

[(1, 81230616), (2, 40615308), (3, 27076872), (4, 20307654), (6, 13538436), (8, 10153827), (9, 9025624), (12, 6769218), (18, 4512812), (24, 3384609), (36, 2256406), (72, 1128203), (317, 256248), (634, 128124), (951, 85416), (1268, 64062), (1902, 42708), (2536, 32031), (2853, 28472), (3559, 22824), (3804, 21354), (5706, 14236), (7118, 11412), (7608, 10677)]