1904409215

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 2385137664

約数和(自身を除く): 480728449

約数列:

[1, 5, 47, 71, 157, 235, 355, 727, 785, 3337, 3635, 7379, 11147, 16685, 34169, 36895, 51617, 55735, 114139, 170845, 258085, 523909, 570695, 2425999, 2619545, 5364533, 8103869, 12129995, 26822665, 40519345, 380881843, 1904409215]

約数ペア:

[(1, 1904409215), (5, 380881843), (47, 40519345), (71, 26822665), (157, 12129995), (235, 8103869), (355, 5364533), (727, 2619545), (785, 2425999), (3337, 570695), (3635, 523909), (7379, 258085), (11147, 170845), (16685, 114139), (34169, 55735), (36895, 51617)]