31004897

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 11742367

約数列:

[1, 7, 11, 23, 41, 49, 61, 77, 161, 253, 287, 427, 451, 539, 671, 943, 1127, 1403, 1771, 2009, 2501, 2989, 3157, 4697, 6601, 9821, 10373, 12397, 15433, 17507, 22099, 27511, 32879, 46207, 57523, 68747, 72611, 108031, 122549, 192577, 402661, 508277, 632753, 756217, 1348039, 2818627, 4429271, 31004897]

約数ペア:

[(1, 31004897), (7, 4429271), (11, 2818627), (23, 1348039), (41, 756217), (49, 632753), (61, 508277), (77, 402661), (161, 192577), (253, 122549), (287, 108031), (427, 72611), (451, 68747), (539, 57523), (671, 46207), (943, 32879), (1127, 27511), (1403, 22099), (1771, 17507), (2009, 15433), (2501, 12397), (2989, 10373), (3157, 9821), (4697, 6601)]