28494284

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 63948528

約数和(自身を除く): 35454244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 196, 211, 212, 364, 371, 422, 637, 689, 742, 844, 1274, 1378, 1477, 1484, 2548, 2597, 2743, 2756, 2954, 4823, 5194, 5486, 5908, 9646, 10339, 10388, 10972, 11183, 19201, 19292, 20678, 22366, 33761, 38402, 41356, 44732, 67522, 76804, 78281, 134407, 135044, 145379, 156562, 268814, 290758, 313124, 537628, 547967, 581516, 1017653, 1095934, 2035306, 2191868, 4070612, 7123571, 14247142, 28494284]

約数ペア:

[(1, 28494284), (2, 14247142), (4, 7123571), (7, 4070612), (13, 2191868), (14, 2035306), (26, 1095934), (28, 1017653), (49, 581516), (52, 547967), (53, 537628), (91, 313124), (98, 290758), (106, 268814), (182, 156562), (196, 145379), (211, 135044), (212, 134407), (364, 78281), (371, 76804), (422, 67522), (637, 44732), (689, 41356), (742, 38402), (844, 33761), (1274, 22366), (1378, 20678), (1477, 19292), (1484, 19201), (2548, 11183), (2597, 10972), (2743, 10388), (2756, 10339), (2954, 9646), (4823, 5908), (5194, 5486)]