30902638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 51714432

約数和(自身を除く): 20811794

約数列:

[1, 2, 13, 26, 43, 86, 131, 211, 262, 422, 559, 1118, 1703, 2743, 3406, 5486, 5633, 9073, 11266, 18146, 27641, 55282, 73229, 117949, 146458, 235898, 359333, 718666, 1188563, 2377126, 15451319, 30902638]

約数ペア:

[(1, 30902638), (2, 15451319), (13, 2377126), (26, 1188563), (43, 718666), (86, 359333), (131, 235898), (211, 146458), (262, 117949), (422, 73229), (559, 55282), (1118, 27641), (1703, 18146), (2743, 11266), (3406, 9073), (5486, 5633)]