1318993610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 2660511744

約数和(自身を除く): 1341518134

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 431, 473, 647, 862, 946, 1294, 2155, 2365, 3235, 4310, 4730, 4741, 6470, 7117, 9482, 14234, 18533, 23705, 27821, 35585, 37066, 47410, 55642, 71170, 92665, 139105, 185330, 203863, 278210, 278857, 306031, 407726, 557714, 612062, 1019315, 1394285, 1530155, 2038630, 2788570, 3060310, 3067427, 6134854, 11990851, 15337135, 23981702, 30674270, 59954255, 119908510, 131899361, 263798722, 659496805, 1318993610]

約数ペア:

[(1, 1318993610), (2, 659496805), (5, 263798722), (10, 131899361), (11, 119908510), (22, 59954255), (43, 30674270), (55, 23981702), (86, 15337135), (110, 11990851), (215, 6134854), (430, 3067427), (431, 3060310), (473, 2788570), (647, 2038630), (862, 1530155), (946, 1394285), (1294, 1019315), (2155, 612062), (2365, 557714), (3235, 407726), (4310, 306031), (4730, 278857), (4741, 278210), (6470, 203863), (7117, 185330), (9482, 139105), (14234, 92665), (18533, 71170), (23705, 55642), (27821, 47410), (35585, 37066)]