206991625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 266063616

約数和(自身を除く): 59071991

約数列:

[1, 5, 25, 71, 83, 125, 281, 355, 415, 1405, 1775, 2075, 5893, 7025, 8875, 10375, 19951, 23323, 29465, 35125, 99755, 116615, 147325, 498775, 583075, 736625, 1655933, 2493875, 2915375, 8279665, 41398325, 206991625]

約数ペア:

[(1, 206991625), (5, 41398325), (25, 8279665), (71, 2915375), (83, 2493875), (125, 1655933), (281, 736625), (355, 583075), (415, 498775), (1405, 147325), (1775, 116615), (2075, 99755), (5893, 35125), (7025, 29465), (8875, 23323), (10375, 19951)]