78904276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2851}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 163864512

約数和(自身を除く): 84960236

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 748, 814, 1258, 1628, 2516, 2851, 5702, 6919, 11404, 13838, 27676, 31361, 48467, 62722, 96934, 105487, 125444, 193868, 210974, 421948, 533137, 1066274, 1160357, 1793279, 2132548, 2320714, 3586558, 4641428, 7173116, 19726069, 39452138, 78904276]

約数ペア:

[(1, 78904276), (2, 39452138), (4, 19726069), (11, 7173116), (17, 4641428), (22, 3586558), (34, 2320714), (37, 2132548), (44, 1793279), (68, 1160357), (74, 1066274), (148, 533137), (187, 421948), (374, 210974), (407, 193868), (629, 125444), (748, 105487), (814, 96934), (1258, 62722), (1628, 48467), (2516, 31361), (2851, 27676), (5702, 13838), (6919, 11404)]