81969056

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 182619360

約数和(自身を除く): 100650304

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 169, 184, 208, 299, 338, 368, 416, 598, 659, 676, 736, 1196, 1318, 1352, 2392, 2636, 2704, 3887, 4784, 5272, 5408, 7774, 8567, 9568, 10544, 15157, 15548, 17134, 21088, 30314, 31096, 34268, 60628, 62192, 68536, 111371, 121256, 124384, 137072, 197041, 222742, 242512, 274144, 394082, 445484, 485024, 788164, 890968, 1576328, 1781936, 2561533, 3152656, 3563872, 5123066, 6305312, 10246132, 20492264, 40984528, 81969056]

約数ペア:

[(1, 81969056), (2, 40984528), (4, 20492264), (8, 10246132), (13, 6305312), (16, 5123066), (23, 3563872), (26, 3152656), (32, 2561533), (46, 1781936), (52, 1576328), (92, 890968), (104, 788164), (169, 485024), (184, 445484), (208, 394082), (299, 274144), (338, 242512), (368, 222742), (416, 197041), (598, 137072), (659, 124384), (676, 121256), (736, 111371), (1196, 68536), (1318, 62192), (1352, 60628), (2392, 34268), (2636, 31096), (2704, 30314), (3887, 21088), (4784, 17134), (5272, 15548), (5408, 15157), (7774, 10544), (8567, 9568)]