31018832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 65136456

約数和(自身を除く): 34117624

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 757, 788, 1514, 1576, 2561, 3028, 3152, 5122, 6056, 9841, 10244, 12112, 19682, 20488, 39364, 40976, 78728, 149129, 157456, 298258, 596516, 1193032, 1938677, 2386064, 3877354, 7754708, 15509416, 31018832]

約数ペア:

[(1, 31018832), (2, 15509416), (4, 7754708), (8, 3877354), (13, 2386064), (16, 1938677), (26, 1193032), (52, 596516), (104, 298258), (197, 157456), (208, 149129), (394, 78728), (757, 40976), (788, 39364), (1514, 20488), (1576, 19682), (2561, 12112), (3028, 10244), (3152, 9841), (5122, 6056)]