31274932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 30196940

約数列:

[1, 2, 4, 13, 26, 43, 52, 71, 86, 142, 172, 197, 284, 394, 559, 788, 923, 1118, 1846, 2236, 2561, 3053, 3692, 5122, 6106, 8471, 10244, 12212, 13987, 16942, 27974, 33884, 39689, 55948, 79378, 110123, 158756, 181831, 220246, 363662, 440492, 601441, 727324, 1202882, 2405764, 7818733, 15637466, 31274932]

約数ペア:

[(1, 31274932), (2, 15637466), (4, 7818733), (13, 2405764), (26, 1202882), (43, 727324), (52, 601441), (71, 440492), (86, 363662), (142, 220246), (172, 181831), (197, 158756), (284, 110123), (394, 79378), (559, 55948), (788, 39689), (923, 33884), (1118, 27974), (1846, 16942), (2236, 13987), (2561, 12212), (3053, 10244), (3692, 8471), (5122, 6106)]