53278225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 88744320

約数和(自身を除く): 35466095

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1925, 2129, 2275, 3575, 5005, 10645, 14903, 23419, 25025, 27677, 53225, 74515, 117095, 138385, 163933, 193739, 304447, 372575, 585475, 691925, 819665, 968695, 1522235, 2131129, 4098325, 4843475, 7611175, 10655645, 53278225]

約数ペア:

[(1, 53278225), (5, 10655645), (7, 7611175), (11, 4843475), (13, 4098325), (25, 2131129), (35, 1522235), (55, 968695), (65, 819665), (77, 691925), (91, 585475), (143, 372575), (175, 304447), (275, 193739), (325, 163933), (385, 138385), (455, 117095), (715, 74515), (1001, 53225), (1925, 27677), (2129, 25025), (2275, 23419), (3575, 14903), (5005, 10645)]