138042575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2251}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 187654656

約数和(自身を除く): 49612081

約数列:

[1, 5, 11, 25, 55, 223, 275, 1115, 2251, 2453, 5575, 11255, 12265, 24761, 56275, 61325, 123805, 501973, 619025, 2509865, 5521703, 12549325, 27608515, 138042575]

約数ペア:

[(1, 138042575), (5, 27608515), (11, 12549325), (25, 5521703), (55, 2509865), (223, 619025), (275, 501973), (1115, 123805), (2251, 61325), (2453, 56275), (5575, 24761), (11255, 12265)]