207801205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 267494400

約数和(自身を除く): 59693195

約数列:

[1, 5, 23, 79, 89, 115, 257, 395, 445, 1285, 1817, 2047, 5911, 7031, 9085, 10235, 20303, 22873, 29555, 35155, 101515, 114365, 161713, 466969, 526079, 808565, 1806967, 2334845, 2630395, 9034835, 41560241, 207801205]

約数ペア:

[(1, 207801205), (5, 41560241), (23, 9034835), (79, 2630395), (89, 2334845), (115, 1806967), (257, 808565), (395, 526079), (445, 466969), (1285, 161713), (1817, 114365), (2047, 101515), (5911, 35155), (7031, 29555), (9085, 22873), (10235, 20303)]