71736410

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 131369472

約数和(自身を除く): 59633062

約数列:

[1, 2, 5, 10, 103, 206, 257, 271, 514, 515, 542, 1030, 1285, 1355, 2570, 2710, 26471, 27913, 52942, 55826, 69647, 132355, 139294, 139565, 264710, 279130, 348235, 696470, 7173641, 14347282, 35868205, 71736410]

約数ペア:

[(1, 71736410), (2, 35868205), (5, 14347282), (10, 7173641), (103, 696470), (206, 348235), (257, 279130), (271, 264710), (514, 139565), (515, 139294), (542, 132355), (1030, 69647), (1285, 55826), (1355, 52942), (2570, 27913), (2710, 26471)]