72778255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 99740160

約数和(自身を除く): 26961905

約数列:

[1, 5, 11, 29, 55, 103, 145, 319, 443, 515, 1133, 1595, 2215, 2987, 4873, 5665, 12847, 14935, 24365, 32857, 45629, 64235, 141317, 164285, 228145, 501919, 706585, 1323241, 2509595, 6616205, 14555651, 72778255]

約数ペア:

[(1, 72778255), (5, 14555651), (11, 6616205), (29, 2509595), (55, 1323241), (103, 706585), (145, 501919), (319, 228145), (443, 164285), (515, 141317), (1133, 64235), (1595, 45629), (2215, 32857), (2987, 24365), (4873, 14935), (5665, 12847)]