65890687492

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1997}}^1\times {\mathrm{2371}}^1$

素因数の和:4457

約数の個数: 72

約数和(自身を含む): 136149346368

約数和(自身を除く): 70258658876

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 1997, 2371, 3479, 3994, 4742, 6958, 7988, 9484, 13916, 13979, 16597, 27958, 33194, 55916, 66388, 97853, 116179, 141787, 168341, 195706, 232358, 283574, 336682, 391412, 464716, 567148, 673364, 992509, 1178387, 1985018, 2356774, 3970036, 4713548, 4734887, 6947563, 8248709, 9469774, 13895126, 16497418, 18939548, 27790252, 32994836, 33144209, 66288418, 132576836, 232009463, 336176977, 464018926, 672353954, 928037852, 1344707908, 2353238839, 4706477678, 9412955356, 16472671873, 32945343746, 65890687492]

約数ペア:

[(1, 65890687492), (2, 32945343746), (4, 16472671873), (7, 9412955356), (14, 4706477678), (28, 2353238839), (49, 1344707908), (71, 928037852), (98, 672353954), (142, 464018926), (196, 336176977), (284, 232009463), (497, 132576836), (994, 66288418), (1988, 33144209), (1997, 32994836), (2371, 27790252), (3479, 18939548), (3994, 16497418), (4742, 13895126), (6958, 9469774), (7988, 8248709), (9484, 6947563), (13916, 4734887), (13979, 4713548), (16597, 3970036), (27958, 2356774), (33194, 1985018), (55916, 1178387), (66388, 992509), (97853, 673364), (116179, 567148), (141787, 464716), (168341, 391412), (195706, 336682), (232358, 283574)]