891890356

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{64091}}^1$

素因数の和:64180

約数の個数: 36

約数和(自身を含む): 1841234976

約数和(自身を除く): 949344620

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 6958, 13916, 64091, 128182, 256364, 448637, 897274, 1794548, 3140459, 4550461, 6280918, 9100922, 12561836, 18201844, 31853227, 63706454, 127412908, 222972589, 445945178, 891890356]

約数ペア:

[(1, 891890356), (2, 445945178), (4, 222972589), (7, 127412908), (14, 63706454), (28, 31853227), (49, 18201844), (71, 12561836), (98, 9100922), (142, 6280918), (196, 4550461), (284, 3140459), (497, 1794548), (994, 897274), (1988, 448637), (3479, 256364), (6958, 128182), (13916, 64091)]