31007262

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 74027520

約数和(自身を除く): 43020258

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 509, 781, 858, 923, 1018, 1527, 1562, 1846, 2343, 2769, 3054, 4686, 5538, 5599, 6617, 10153, 11198, 13234, 16797, 19851, 20306, 30459, 33594, 36139, 39702, 60918, 72278, 72787, 108417, 145574, 216834, 218361, 397529, 436722, 469807, 795058, 939614, 1192587, 1409421, 2385174, 2818842, 5167877, 10335754, 15503631, 31007262]

約数ペア:

[(1, 31007262), (2, 15503631), (3, 10335754), (6, 5167877), (11, 2818842), (13, 2385174), (22, 1409421), (26, 1192587), (33, 939614), (39, 795058), (66, 469807), (71, 436722), (78, 397529), (142, 218361), (143, 216834), (213, 145574), (286, 108417), (426, 72787), (429, 72278), (509, 60918), (781, 39702), (858, 36139), (923, 33594), (1018, 30459), (1527, 20306), (1562, 19851), (1846, 16797), (2343, 13234), (2769, 11198), (3054, 10153), (4686, 6617), (5538, 5599)]