71295812

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 146966400

約数和(自身を除く): 75670588

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 107, 212, 214, 371, 428, 449, 742, 749, 898, 1484, 1498, 1796, 2996, 3143, 5671, 6286, 11342, 12572, 22684, 23797, 39697, 47594, 48043, 79394, 95188, 96086, 158788, 166579, 192172, 333158, 336301, 666316, 672602, 1345204, 2546279, 5092558, 10185116, 17823953, 35647906, 71295812]

約数ペア:

[(1, 71295812), (2, 35647906), (4, 17823953), (7, 10185116), (14, 5092558), (28, 2546279), (53, 1345204), (106, 672602), (107, 666316), (212, 336301), (214, 333158), (371, 192172), (428, 166579), (449, 158788), (742, 96086), (749, 95188), (898, 79394), (1484, 48043), (1498, 47594), (1796, 39697), (2996, 23797), (3143, 22684), (5671, 12572), (6286, 11342)]