1644097

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2154600

約数和(自身を除く): 510503

約数列:

[1, 7, 13, 29, 49, 89, 91, 203, 377, 623, 637, 1157, 1421, 2581, 2639, 4361, 8099, 18067, 18473, 33553, 56693, 126469, 234871, 1644097]

約数ペア:

[(1, 1644097), (7, 234871), (13, 126469), (29, 56693), (49, 33553), (89, 18473), (91, 18067), (203, 8099), (377, 4361), (623, 2639), (637, 2581), (1157, 1421)]