1990949209038

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{1583}}^1\times {\mathrm{294821}}^1$

素因数の和:296494

約数の個数: 64

約数和(自身を含む): 4483181260800

約数和(自身を除く): 2492232051762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 1583, 2133, 3166, 4266, 4749, 9498, 14247, 28494, 42741, 85482, 125057, 250114, 294821, 375171, 589642, 750342, 884463, 1125513, 1768926, 2251026, 2653389, 3376539, 5306778, 6753078, 7960167, 15920334, 23290859, 46581718, 69872577, 139745154, 209617731, 419235462, 466701643, 628853193, 933403286, 1257706386, 1400104929, 2800209858, 4200314787, 8400629574, 12600944361, 25201888722, 36869429797, 73738859594, 110608289391, 221216578782, 331824868173, 663649736346, 995474604519, 1990949209038]

約数ペア:

[(1, 1990949209038), (2, 995474604519), (3, 663649736346), (6, 331824868173), (9, 221216578782), (18, 110608289391), (27, 73738859594), (54, 36869429797), (79, 25201888722), (158, 12600944361), (237, 8400629574), (474, 4200314787), (711, 2800209858), (1422, 1400104929), (1583, 1257706386), (2133, 933403286), (3166, 628853193), (4266, 466701643), (4749, 419235462), (9498, 209617731), (14247, 139745154), (28494, 69872577), (42741, 46581718), (85482, 23290859), (125057, 15920334), (250114, 7960167), (294821, 6753078), (375171, 5306778), (589642, 3376539), (750342, 2653389), (884463, 2251026), (1125513, 1768926)]