90221404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 197116416

約数和(自身を除く): 106895012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3491, 3692, 6461, 6982, 12922, 13964, 24437, 25844, 45383, 48874, 90766, 97748, 181532, 247861, 317681, 495722, 635362, 991444, 1270724, 1735027, 3222193, 3470054, 6444386, 6940108, 12888772, 22555351, 45110702, 90221404]

約数ペア:

[(1, 90221404), (2, 45110702), (4, 22555351), (7, 12888772), (13, 6940108), (14, 6444386), (26, 3470054), (28, 3222193), (52, 1735027), (71, 1270724), (91, 991444), (142, 635362), (182, 495722), (284, 317681), (364, 247861), (497, 181532), (923, 97748), (994, 90766), (1846, 48874), (1988, 45383), (3491, 25844), (3692, 24437), (6461, 13964), (6982, 12922)]