128577568

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1974

約数の個数: 72

約数和(自身を含む): 301471632

約数和(自身を除く): 172894064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 602, 688, 784, 1204, 1376, 1568, 1907, 2107, 2408, 3814, 4214, 4816, 7628, 8428, 9632, 13349, 15256, 16856, 26698, 30512, 33712, 53396, 61024, 67424, 82001, 93443, 106792, 164002, 186886, 213584, 328004, 373772, 427168, 574007, 656008, 747544, 1148014, 1312016, 1495088, 2296028, 2624032, 2990176, 4018049, 4592056, 8036098, 9184112, 16072196, 18368224, 32144392, 64288784, 128577568]

約数ペア:

[(1, 128577568), (2, 64288784), (4, 32144392), (7, 18368224), (8, 16072196), (14, 9184112), (16, 8036098), (28, 4592056), (32, 4018049), (43, 2990176), (49, 2624032), (56, 2296028), (86, 1495088), (98, 1312016), (112, 1148014), (172, 747544), (196, 656008), (224, 574007), (301, 427168), (344, 373772), (392, 328004), (602, 213584), (688, 186886), (784, 164002), (1204, 106792), (1376, 93443), (1568, 82001), (1907, 67424), (2107, 61024), (2408, 53396), (3814, 33712), (4214, 30512), (4816, 26698), (7628, 16856), (8428, 15256), (9632, 13349)]