81403644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 229605376

約数和(自身を除く): 148201732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 43, 62, 84, 86, 93, 124, 129, 172, 186, 217, 258, 301, 372, 434, 516, 602, 651, 727, 868, 903, 1204, 1302, 1333, 1454, 1806, 2181, 2604, 2666, 2908, 3612, 3999, 4362, 5089, 5332, 7998, 8724, 9331, 10178, 15267, 15996, 18662, 20356, 22537, 27993, 30534, 31261, 37324, 45074, 55986, 61068, 62522, 67611, 90148, 93783, 111972, 125044, 135222, 157759, 187566, 218827, 270444, 315518, 375132, 437654, 473277, 631036, 656481, 875308, 946554, 969091, 1312962, 1893108, 1938182, 2625924, 2907273, 3876364, 5814546, 6783637, 11629092, 13567274, 20350911, 27134548, 40701822, 81403644]

約数ペア:

[(1, 81403644), (2, 40701822), (3, 27134548), (4, 20350911), (6, 13567274), (7, 11629092), (12, 6783637), (14, 5814546), (21, 3876364), (28, 2907273), (31, 2625924), (42, 1938182), (43, 1893108), (62, 1312962), (84, 969091), (86, 946554), (93, 875308), (124, 656481), (129, 631036), (172, 473277), (186, 437654), (217, 375132), (258, 315518), (301, 270444), (372, 218827), (434, 187566), (516, 157759), (602, 135222), (651, 125044), (727, 111972), (868, 93783), (903, 90148), (1204, 67611), (1302, 62522), (1333, 61068), (1454, 55986), (1806, 45074), (2181, 37324), (2604, 31261), (2666, 30534), (2908, 27993), (3612, 22537), (3999, 20356), (4362, 18662), (5089, 15996), (5332, 15267), (7998, 10178), (8724, 9331)]