1388891764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{135581}}^1$

素因数の和:135795

約数の個数: 24

約数和(自身を含む): 2630833128

約数和(自身を除く): 1241941364

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 135581, 271162, 542324, 1762553, 3525106, 7050212, 26709457, 53418914, 106837828, 347222941, 694445882, 1388891764]

約数ペア:

[(1, 1388891764), (2, 694445882), (4, 347222941), (13, 106837828), (26, 53418914), (52, 26709457), (197, 7050212), (394, 3525106), (788, 1762553), (2561, 542324), (5122, 271162), (10244, 135581)]