487994815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 748077120

約数和(自身を除く): 260082305

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 121, 305, 385, 427, 605, 671, 847, 1889, 2135, 3355, 4235, 4697, 7381, 9445, 13223, 20779, 23485, 36905, 51667, 66115, 103895, 115229, 145453, 228569, 258335, 576145, 727265, 806603, 1142845, 1267519, 1599983, 4033015, 6337595, 7999915, 8872633, 13942709, 44363165, 69713545, 97598963, 487994815]

約数ペア:

[(1, 487994815), (5, 97598963), (7, 69713545), (11, 44363165), (35, 13942709), (55, 8872633), (61, 7999915), (77, 6337595), (121, 4033015), (305, 1599983), (385, 1267519), (427, 1142845), (605, 806603), (671, 727265), (847, 576145), (1889, 258335), (2135, 228569), (3355, 145453), (4235, 115229), (4697, 103895), (7381, 66115), (9445, 51667), (13223, 36905), (20779, 23485)]