287743105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 397504800

約数和(自身を除く): 109761695

約数列:

[1, 5, 13, 17, 65, 85, 109, 221, 545, 1105, 1417, 1853, 2389, 7085, 9265, 11945, 24089, 31057, 40613, 120445, 155285, 203065, 260401, 527969, 1302005, 2639845, 3385213, 4426817, 16926065, 22134085, 57548621, 287743105]

約数ペア:

[(1, 287743105), (5, 57548621), (13, 22134085), (17, 16926065), (65, 4426817), (85, 3385213), (109, 2639845), (221, 1302005), (545, 527969), (1105, 260401), (1417, 203065), (1853, 155285), (2389, 120445), (7085, 40613), (9265, 31057), (11945, 24089)]