53988025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 86800000

約数和(自身を除く): 32811975

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1249, 1729, 2275, 3325, 6175, 6245, 8645, 8743, 16237, 23731, 31225, 43225, 43715, 81185, 113659, 118655, 166117, 218575, 308503, 405925, 568295, 593275, 830585, 1542515, 2159521, 2841475, 4152925, 7712575, 10797605, 53988025]

約数ペア:

[(1, 53988025), (5, 10797605), (7, 7712575), (13, 4152925), (19, 2841475), (25, 2159521), (35, 1542515), (65, 830585), (91, 593275), (95, 568295), (133, 405925), (175, 308503), (247, 218575), (325, 166117), (455, 118655), (475, 113659), (665, 81185), (1235, 43715), (1249, 43225), (1729, 31225), (2275, 23731), (3325, 16237), (6175, 8743), (6245, 8645)]