678889761

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 1031358720

約数和(自身を除く): 352468959

約数列:

[1, 3, 11, 33, 47, 67, 139, 141, 201, 417, 517, 737, 1529, 1551, 2209, 2211, 3149, 4587, 6533, 6627, 9313, 9447, 19599, 24299, 27939, 34639, 71863, 72897, 102443, 103917, 148003, 215589, 307051, 307329, 437711, 444009, 921153, 1313133, 1628033, 3377561, 4814821, 4884099, 10132683, 14444463, 20572417, 61717251, 226296587, 678889761]

約数ペア:

[(1, 678889761), (3, 226296587), (11, 61717251), (33, 20572417), (47, 14444463), (67, 10132683), (139, 4884099), (141, 4814821), (201, 3377561), (417, 1628033), (517, 1313133), (737, 921153), (1529, 444009), (1551, 437711), (2209, 307329), (2211, 307051), (3149, 215589), (4587, 148003), (6533, 103917), (6627, 102443), (9313, 72897), (9447, 71863), (19599, 34639), (24299, 27939)]