277985930

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{212203}}^1$

素因数の和:212341

約数の個数: 16

約数和(自身を含む): 504196704

約数和(自身を除く): 226210774

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 212203, 424406, 1061015, 2122030, 27798593, 55597186, 138992965, 277985930]

約数ペア:

[(1, 277985930), (2, 138992965), (5, 55597186), (10, 27798593), (131, 2122030), (262, 1061015), (655, 424406), (1310, 212203)]