31019716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 68992000

約数和(自身を除く): 37972284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2749, 2821, 5498, 5642, 10996, 11284, 19243, 35737, 38486, 71474, 76972, 85219, 142948, 170438, 250159, 340876, 500318, 596533, 1000636, 1107847, 1193066, 2215694, 2386132, 4431388, 7754929, 15509858, 31019716]

約数ペア:

[(1, 31019716), (2, 15509858), (4, 7754929), (7, 4431388), (13, 2386132), (14, 2215694), (26, 1193066), (28, 1107847), (31, 1000636), (52, 596533), (62, 500318), (91, 340876), (124, 250159), (182, 170438), (217, 142948), (364, 85219), (403, 76972), (434, 71474), (806, 38486), (868, 35737), (1612, 19243), (2749, 11284), (2821, 10996), (5498, 5642)]