31456984

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 65221200

約数和(自身を除く): 33764216

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 169, 212, 338, 424, 439, 676, 689, 878, 1352, 1378, 1756, 2756, 3512, 5512, 5707, 8957, 11414, 17914, 22828, 23267, 35828, 45656, 46534, 71656, 74191, 93068, 148382, 186136, 296764, 302471, 593528, 604942, 1209884, 2419768, 3932123, 7864246, 15728492, 31456984]

約数ペア:

[(1, 31456984), (2, 15728492), (4, 7864246), (8, 3932123), (13, 2419768), (26, 1209884), (52, 604942), (53, 593528), (104, 302471), (106, 296764), (169, 186136), (212, 148382), (338, 93068), (424, 74191), (439, 71656), (676, 46534), (689, 45656), (878, 35828), (1352, 23267), (1378, 22828), (1756, 17914), (2756, 11414), (3512, 8957), (5512, 5707)]