223889770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{7723}}^1$

素因数の和:7966

約数の個数: 32

約数和(自身を含む): 436004352

約数和(自身を除く): 212114582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 7723, 14495, 15446, 28990, 38615, 77230, 100399, 200798, 501995, 1003990, 1722229, 3444458, 8611145, 17222290, 22388977, 44777954, 111944885, 223889770]

約数ペア:

[(1, 223889770), (2, 111944885), (5, 44777954), (10, 22388977), (13, 17222290), (26, 8611145), (65, 3444458), (130, 1722229), (223, 1003990), (446, 501995), (1115, 200798), (2230, 100399), (2899, 77230), (5798, 38615), (7723, 28990), (14495, 15446)]