25979655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 47656224

約数和(自身を除く): 21676569

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 461, 663, 867, 1105, 1383, 1445, 2305, 3315, 3757, 4335, 5993, 6915, 7837, 11271, 17979, 18785, 23511, 29965, 39185, 56355, 89895, 101881, 117555, 133229, 305643, 399687, 509405, 666145, 1528215, 1731977, 1998435, 5195931, 8659885, 25979655]

約数ペア:

[(1, 25979655), (3, 8659885), (5, 5195931), (13, 1998435), (15, 1731977), (17, 1528215), (39, 666145), (51, 509405), (65, 399687), (85, 305643), (195, 133229), (221, 117555), (255, 101881), (289, 89895), (461, 56355), (663, 39185), (867, 29965), (1105, 23511), (1383, 18785), (1445, 17979), (2305, 11271), (3315, 7837), (3757, 6915), (4335, 5993)]