31220874

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 72084168

約数和(自身を除く): 40863294

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 257, 306, 397, 514, 771, 794, 1191, 1542, 2313, 2382, 3573, 4369, 4626, 6749, 7146, 8738, 13107, 13498, 20247, 26214, 39321, 40494, 60741, 78642, 102029, 121482, 204058, 306087, 612174, 918261, 1734493, 1836522, 3468986, 5203479, 10406958, 15610437, 31220874]

約数ペア:

[(1, 31220874), (2, 15610437), (3, 10406958), (6, 5203479), (9, 3468986), (17, 1836522), (18, 1734493), (34, 918261), (51, 612174), (102, 306087), (153, 204058), (257, 121482), (306, 102029), (397, 78642), (514, 60741), (771, 40494), (794, 39321), (1191, 26214), (1542, 20247), (2313, 13498), (2382, 13107), (3573, 8738), (4369, 7146), (4626, 6749)]