31006612

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 69802656

約数和(自身を除く): 38796044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 283, 301, 364, 559, 566, 602, 637, 1118, 1132, 1204, 1274, 1981, 2107, 2236, 2548, 3679, 3913, 3962, 4214, 7358, 7826, 7924, 8428, 12169, 13867, 14716, 15652, 24338, 25753, 27391, 27734, 48676, 51506, 54782, 55468, 85183, 103012, 109564, 158197, 170366, 180271, 316394, 340732, 360542, 596281, 632788, 721084, 1107379, 1192562, 2214758, 2385124, 4429516, 7751653, 15503306, 31006612]

約数ペア:

[(1, 31006612), (2, 15503306), (4, 7751653), (7, 4429516), (13, 2385124), (14, 2214758), (26, 1192562), (28, 1107379), (43, 721084), (49, 632788), (52, 596281), (86, 360542), (91, 340732), (98, 316394), (172, 180271), (182, 170366), (196, 158197), (283, 109564), (301, 103012), (364, 85183), (559, 55468), (566, 54782), (602, 51506), (637, 48676), (1118, 27734), (1132, 27391), (1204, 25753), (1274, 24338), (1981, 15652), (2107, 14716), (2236, 13867), (2548, 12169), (3679, 8428), (3913, 7924), (3962, 7826), (4214, 7358)]