81882136

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 180678600

約数和(自身を除く): 98796464

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 623, 712, 1246, 2347, 2492, 4361, 4694, 4984, 8722, 9388, 16429, 17444, 18776, 32858, 34888, 65716, 115003, 131432, 208883, 230006, 417766, 460012, 835532, 920024, 1462181, 1671064, 2924362, 5848724, 10235267, 11697448, 20470534, 40941068, 81882136]

約数ペア:

[(1, 81882136), (2, 40941068), (4, 20470534), (7, 11697448), (8, 10235267), (14, 5848724), (28, 2924362), (49, 1671064), (56, 1462181), (89, 920024), (98, 835532), (178, 460012), (196, 417766), (356, 230006), (392, 208883), (623, 131432), (712, 115003), (1246, 65716), (2347, 34888), (2492, 32858), (4361, 18776), (4694, 17444), (4984, 16429), (8722, 9388)]