64681928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 133358400

約数和(自身を除く): 68676472

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 97, 107, 152, 164, 194, 214, 328, 388, 428, 776, 779, 856, 1558, 1843, 2033, 3116, 3686, 3977, 4066, 4387, 6232, 7372, 7954, 8132, 8774, 10379, 14744, 15908, 16264, 17548, 20758, 31816, 35096, 41516, 75563, 83032, 83353, 151126, 166706, 197201, 302252, 333412, 394402, 425539, 604504, 666824, 788804, 851078, 1577608, 1702156, 3404312, 8085241, 16170482, 32340964, 64681928]

約数ペア:

[(1, 64681928), (2, 32340964), (4, 16170482), (8, 8085241), (19, 3404312), (38, 1702156), (41, 1577608), (76, 851078), (82, 788804), (97, 666824), (107, 604504), (152, 425539), (164, 394402), (194, 333412), (214, 302252), (328, 197201), (388, 166706), (428, 151126), (776, 83353), (779, 83032), (856, 75563), (1558, 41516), (1843, 35096), (2033, 31816), (3116, 20758), (3686, 17548), (3977, 16264), (4066, 15908), (4387, 14744), (6232, 10379), (7372, 8774), (7954, 8132)]