25943512

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 60192000

約数和(自身を除く): 34248488

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 518, 532, 659, 703, 1036, 1064, 1318, 1406, 2072, 2636, 2812, 4613, 4921, 5272, 5624, 9226, 9842, 12521, 18452, 19684, 24383, 25042, 36904, 39368, 48766, 50084, 87647, 97532, 100168, 170681, 175294, 195064, 341362, 350588, 463277, 682724, 701176, 926554, 1365448, 1853108, 3242939, 3706216, 6485878, 12971756, 25943512]

約数ペア:

[(1, 25943512), (2, 12971756), (4, 6485878), (7, 3706216), (8, 3242939), (14, 1853108), (19, 1365448), (28, 926554), (37, 701176), (38, 682724), (56, 463277), (74, 350588), (76, 341362), (133, 195064), (148, 175294), (152, 170681), (259, 100168), (266, 97532), (296, 87647), (518, 50084), (532, 48766), (659, 39368), (703, 36904), (1036, 25042), (1064, 24383), (1318, 19684), (1406, 18452), (2072, 12521), (2636, 9842), (2812, 9226), (4613, 5624), (4921, 5272)]