13258175

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 19507680

約数和(自身を除く): 6249505

約数列:

[1, 5, 7, 25, 35, 49, 79, 137, 175, 245, 395, 553, 685, 959, 1225, 1975, 2765, 3425, 3871, 4795, 6713, 10823, 13825, 19355, 23975, 33565, 54115, 75761, 96775, 167825, 270575, 378805, 530327, 1894025, 2651635, 13258175]

約数ペア:

[(1, 13258175), (5, 2651635), (7, 1894025), (25, 530327), (35, 378805), (49, 270575), (79, 167825), (137, 96775), (175, 75761), (245, 54115), (395, 33565), (553, 23975), (685, 19355), (959, 13825), (1225, 10823), (1975, 6713), (2765, 4795), (3425, 3871)]