53400925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 71763636

約数和(自身を除く): 18362711

約数列:

[1, 5, 19, 25, 61, 95, 97, 305, 361, 475, 485, 1159, 1525, 1805, 1843, 2425, 5795, 5917, 9025, 9215, 22021, 28975, 29585, 35017, 46075, 110105, 112423, 147925, 175085, 550525, 562115, 875425, 2136037, 2810575, 10680185, 53400925]

約数ペア:

[(1, 53400925), (5, 10680185), (19, 2810575), (25, 2136037), (61, 875425), (95, 562115), (97, 550525), (305, 175085), (361, 147925), (475, 112423), (485, 110105), (1159, 46075), (1525, 35017), (1805, 29585), (1843, 28975), (2425, 22021), (5795, 9215), (5917, 9025)]