16506875

素因数分解:

$5^4\times 7^4\times {\mathrm{11}}^1$

素因数の和:59

約数の個数: 50

約数和(自身を含む): 26250972

約数和(自身を除く): 9744097

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 245, 275, 343, 385, 539, 625, 875, 1225, 1375, 1715, 1925, 2401, 2695, 3773, 4375, 6125, 6875, 8575, 9625, 12005, 13475, 18865, 26411, 30625, 42875, 48125, 60025, 67375, 94325, 132055, 214375, 300125, 336875, 471625, 660275, 1500625, 2358125, 3301375, 16506875]

約数ペア:

[(1, 16506875), (5, 3301375), (7, 2358125), (11, 1500625), (25, 660275), (35, 471625), (49, 336875), (55, 300125), (77, 214375), (125, 132055), (175, 94325), (245, 67375), (275, 60025), (343, 48125), (385, 42875), (539, 30625), (625, 26411), (875, 18865), (1225, 13475), (1375, 12005), (1715, 9625), (1925, 8575), (2401, 6875), (2695, 6125), (3773, 4375)]