25268516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 56843136

約数和(自身を除く): 31574620

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 182, 188, 196, 211, 329, 364, 422, 611, 637, 658, 844, 1222, 1274, 1316, 1477, 2303, 2444, 2548, 2743, 2954, 4277, 4606, 5486, 5908, 8554, 9212, 9917, 10339, 10972, 17108, 19201, 19834, 20678, 29939, 38402, 39668, 41356, 59878, 69419, 76804, 119756, 128921, 134407, 138838, 257842, 268814, 277676, 485933, 515684, 537628, 902447, 971866, 1804894, 1943732, 3609788, 6317129, 12634258, 25268516]

約数ペア:

[(1, 25268516), (2, 12634258), (4, 6317129), (7, 3609788), (13, 1943732), (14, 1804894), (26, 971866), (28, 902447), (47, 537628), (49, 515684), (52, 485933), (91, 277676), (94, 268814), (98, 257842), (182, 138838), (188, 134407), (196, 128921), (211, 119756), (329, 76804), (364, 69419), (422, 59878), (611, 41356), (637, 39668), (658, 38402), (844, 29939), (1222, 20678), (1274, 19834), (1316, 19201), (1477, 17108), (2303, 10972), (2444, 10339), (2548, 9917), (2743, 9212), (2954, 8554), (4277, 5908), (4606, 5486)]