90874888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 192568320

約数和(自身を除く): 101693432

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 71, 104, 124, 142, 248, 284, 397, 403, 568, 794, 806, 923, 1588, 1612, 1846, 2201, 3176, 3224, 3692, 4402, 5161, 7384, 8804, 10322, 12307, 17608, 20644, 24614, 28187, 28613, 41288, 49228, 56374, 57226, 98456, 112748, 114452, 159991, 225496, 228904, 319982, 366431, 639964, 732862, 873797, 1279928, 1465724, 1747594, 2931448, 3495188, 6990376, 11359361, 22718722, 45437444, 90874888]

約数ペア:

[(1, 90874888), (2, 45437444), (4, 22718722), (8, 11359361), (13, 6990376), (26, 3495188), (31, 2931448), (52, 1747594), (62, 1465724), (71, 1279928), (104, 873797), (124, 732862), (142, 639964), (248, 366431), (284, 319982), (397, 228904), (403, 225496), (568, 159991), (794, 114452), (806, 112748), (923, 98456), (1588, 57226), (1612, 56374), (1846, 49228), (2201, 41288), (3176, 28613), (3224, 28187), (3692, 24614), (4402, 20644), (5161, 17608), (7384, 12307), (8804, 10322)]