71640716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 151656960

約数和(自身を除く): 80016244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 311, 433, 532, 622, 866, 1244, 1732, 2177, 3031, 4354, 5909, 6062, 8227, 8708, 11818, 12124, 16454, 23636, 32908, 41363, 57589, 82726, 115178, 134663, 165452, 230356, 269326, 538652, 942641, 1885282, 2558597, 3770564, 5117194, 10234388, 17910179, 35820358, 71640716]

約数ペア:

[(1, 71640716), (2, 35820358), (4, 17910179), (7, 10234388), (14, 5117194), (19, 3770564), (28, 2558597), (38, 1885282), (76, 942641), (133, 538652), (266, 269326), (311, 230356), (433, 165452), (532, 134663), (622, 115178), (866, 82726), (1244, 57589), (1732, 41363), (2177, 32908), (3031, 23636), (4354, 16454), (5909, 12124), (6062, 11818), (8227, 8708)]