53209975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 85550080

約数和(自身を除く): 32340105

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1231, 1235, 1729, 2275, 3325, 6155, 6175, 8617, 8645, 16003, 23389, 30775, 43085, 43225, 80015, 112021, 116945, 163723, 215425, 304057, 400075, 560105, 584725, 818615, 1520285, 2128399, 2800525, 4093075, 7601425, 10641995, 53209975]

約数ペア:

[(1, 53209975), (5, 10641995), (7, 7601425), (13, 4093075), (19, 2800525), (25, 2128399), (35, 1520285), (65, 818615), (91, 584725), (95, 560105), (133, 400075), (175, 304057), (247, 215425), (325, 163723), (455, 116945), (475, 112021), (665, 80015), (1231, 43225), (1235, 43085), (1729, 30775), (2275, 23389), (3325, 16003), (6155, 8645), (6175, 8617)]