31291546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 27930470

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 67, 71, 134, 142, 143, 253, 286, 299, 506, 598, 737, 781, 871, 923, 1474, 1541, 1562, 1633, 1742, 1846, 3082, 3266, 3289, 4757, 6578, 9514, 9581, 10153, 16951, 17963, 19162, 20033, 20306, 21229, 33902, 35926, 40066, 42458, 52327, 61841, 104654, 109411, 123682, 218822, 220363, 233519, 440726, 467038, 680251, 1203521, 1360502, 1422343, 2407042, 2844686, 15645773, 31291546]

約数ペア:

[(1, 31291546), (2, 15645773), (11, 2844686), (13, 2407042), (22, 1422343), (23, 1360502), (26, 1203521), (46, 680251), (67, 467038), (71, 440726), (134, 233519), (142, 220363), (143, 218822), (253, 123682), (286, 109411), (299, 104654), (506, 61841), (598, 52327), (737, 42458), (781, 40066), (871, 35926), (923, 33902), (1474, 21229), (1541, 20306), (1562, 20033), (1633, 19162), (1742, 17963), (1846, 16951), (3082, 10153), (3266, 9581), (3289, 9514), (4757, 6578)]