51193975

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 54

約数和(自身を含む): 78172080

約数和(自身を除く): 26978105

約数列:

[1, 5, 7, 23, 25, 35, 49, 79, 115, 161, 175, 245, 395, 529, 553, 575, 805, 1127, 1225, 1817, 1975, 2645, 2765, 3703, 3871, 4025, 5635, 9085, 12719, 13225, 13825, 18515, 19355, 25921, 28175, 41791, 45425, 63595, 89033, 92575, 96775, 129605, 208955, 292537, 317975, 445165, 648025, 1044775, 1462685, 2047759, 2225825, 7313425, 10238795, 51193975]

約数ペア:

[(1, 51193975), (5, 10238795), (7, 7313425), (23, 2225825), (25, 2047759), (35, 1462685), (49, 1044775), (79, 648025), (115, 445165), (161, 317975), (175, 292537), (245, 208955), (395, 129605), (529, 96775), (553, 92575), (575, 89033), (805, 63595), (1127, 45425), (1225, 41791), (1817, 28175), (1975, 25921), (2645, 19355), (2765, 18515), (3703, 13825), (3871, 13225), (4025, 12719), (5635, 9085)]