254343868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 482630400

約数和(自身を除く): 228286532

約数列:

[1, 2, 4, 17, 34, 68, 71, 139, 142, 278, 284, 379, 556, 758, 1207, 1516, 2363, 2414, 4726, 4828, 6443, 9452, 9869, 12886, 19738, 25772, 26909, 39476, 52681, 53818, 105362, 107636, 167773, 210724, 335546, 457453, 671092, 895577, 914906, 1791154, 1829812, 3582308, 3740351, 7480702, 14961404, 63585967, 127171934, 254343868]

約数ペア:

[(1, 254343868), (2, 127171934), (4, 63585967), (17, 14961404), (34, 7480702), (68, 3740351), (71, 3582308), (139, 1829812), (142, 1791154), (278, 914906), (284, 895577), (379, 671092), (556, 457453), (758, 335546), (1207, 210724), (1516, 167773), (2363, 107636), (2414, 105362), (4726, 53818), (4828, 52681), (6443, 39476), (9452, 26909), (9869, 25772), (12886, 19738)]