1664537888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{20107}}^1$

素因数の和:20329

約数の個数: 48

約数和(自身を含む): 3547051200

約数和(自身を除く): 1882513312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 199, 208, 398, 416, 796, 1592, 2587, 3184, 5174, 6368, 10348, 20107, 20696, 40214, 41392, 80428, 82784, 160856, 261391, 321712, 522782, 643424, 1045564, 2091128, 4001293, 4182256, 8002586, 8364512, 16005172, 32010344, 52016809, 64020688, 104033618, 128041376, 208067236, 416134472, 832268944, 1664537888]

約数ペア:

[(1, 1664537888), (2, 832268944), (4, 416134472), (8, 208067236), (13, 128041376), (16, 104033618), (26, 64020688), (32, 52016809), (52, 32010344), (104, 16005172), (199, 8364512), (208, 8002586), (398, 4182256), (416, 4001293), (796, 2091128), (1592, 1045564), (2587, 643424), (3184, 522782), (5174, 321712), (6368, 261391), (10348, 160856), (20107, 82784), (20696, 80428), (40214, 41392)]