1640550136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{111269}}^1$

素因数の和:111391

約数の個数: 32

約数和(自身を含む): 3271338000

約数和(自身を除く): 1630787864

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 3686, 7372, 14744, 111269, 222538, 445076, 890152, 2114111, 4228222, 8456444, 10793093, 16912888, 21586186, 43172372, 86344744, 205068767, 410137534, 820275068, 1640550136]

約数ペア:

[(1, 1640550136), (2, 820275068), (4, 410137534), (8, 205068767), (19, 86344744), (38, 43172372), (76, 21586186), (97, 16912888), (152, 10793093), (194, 8456444), (388, 4228222), (776, 2114111), (1843, 890152), (3686, 445076), (7372, 222538), (14744, 111269)]