53399975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 74232600

約数和(自身を除く): 20832625

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 389, 425, 475, 1445, 1615, 1945, 5491, 6613, 7225, 7391, 8075, 9725, 27455, 33065, 36955, 112421, 125647, 137275, 165325, 184775, 562105, 628235, 2135999, 2810525, 3141175, 10679995, 53399975]

約数ペア:

[(1, 53399975), (5, 10679995), (17, 3141175), (19, 2810525), (25, 2135999), (85, 628235), (95, 562105), (289, 184775), (323, 165325), (389, 137275), (425, 125647), (475, 112421), (1445, 36955), (1615, 33065), (1945, 27455), (5491, 9725), (6613, 8075), (7225, 7391)]