287360060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1105231}}^1$

素因数の和:1105253

約数の個数: 24

約数和(自身を含む): 649876416

約数和(自身を除く): 362516356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1105231, 2210462, 4420924, 5526155, 11052310, 14368003, 22104620, 28736006, 57472012, 71840015, 143680030, 287360060]

約数ペア:

[(1, 287360060), (2, 143680030), (4, 71840015), (5, 57472012), (10, 28736006), (13, 22104620), (20, 14368003), (26, 11052310), (52, 5526155), (65, 4420924), (130, 2210462), (260, 1105231)]