210065375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 283989888

約数和(自身を除く): 73924513

約数列:

[1, 5, 13, 25, 65, 125, 257, 325, 503, 1285, 1625, 2515, 3341, 6425, 6539, 12575, 16705, 32125, 32695, 62875, 83525, 129271, 163475, 417625, 646355, 817375, 1680523, 3231775, 8402615, 16158875, 42013075, 210065375]

約数ペア:

[(1, 210065375), (5, 42013075), (13, 16158875), (25, 8402615), (65, 3231775), (125, 1680523), (257, 817375), (325, 646355), (503, 417625), (1285, 163475), (1625, 129271), (2515, 83525), (3341, 62875), (6425, 32695), (6539, 32125), (12575, 16705)]