212217068

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 432875520

約数和(自身を除く): 220658452

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 197, 316, 394, 487, 553, 788, 974, 1106, 1379, 1948, 2212, 2758, 3409, 5516, 6818, 13636, 15563, 31126, 38473, 62252, 76946, 95939, 108941, 153892, 191878, 217882, 269311, 383756, 435764, 538622, 671573, 1077244, 1343146, 2686292, 7579181, 15158362, 30316724, 53054267, 106108534, 212217068]

約数ペア:

[(1, 212217068), (2, 106108534), (4, 53054267), (7, 30316724), (14, 15158362), (28, 7579181), (79, 2686292), (158, 1343146), (197, 1077244), (316, 671573), (394, 538622), (487, 435764), (553, 383756), (788, 269311), (974, 217882), (1106, 191878), (1379, 153892), (1948, 108941), (2212, 95939), (2758, 76946), (3409, 62252), (5516, 38473), (6818, 31126), (13636, 15563)]