890221572

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{348287}}^1$

素因数の和:348368

約数の個数: 36

約数和(自身を含む): 2281982976

約数和(自身を除く): 1391761404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 348287, 696574, 1044861, 1393148, 2089722, 3134583, 4179444, 6269166, 12538332, 24728377, 49456754, 74185131, 98913508, 148370262, 222555393, 296740524, 445110786, 890221572]

約数ペア:

[(1, 890221572), (2, 445110786), (3, 296740524), (4, 222555393), (6, 148370262), (9, 98913508), (12, 74185131), (18, 49456754), (36, 24728377), (71, 12538332), (142, 6269166), (213, 4179444), (284, 3134583), (426, 2089722), (639, 1393148), (852, 1044861), (1278, 696574), (2556, 348287)]