25611404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 55996416

約数和(自身を除く): 30385012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 991, 994, 1846, 1982, 1988, 3692, 3964, 6461, 6937, 12883, 12922, 13874, 25766, 25844, 27748, 51532, 70361, 90181, 140722, 180362, 281444, 360724, 492527, 914693, 985054, 1829386, 1970108, 3658772, 6402851, 12805702, 25611404]

約数ペア:

[(1, 25611404), (2, 12805702), (4, 6402851), (7, 3658772), (13, 1970108), (14, 1829386), (26, 985054), (28, 914693), (52, 492527), (71, 360724), (91, 281444), (142, 180362), (182, 140722), (284, 90181), (364, 70361), (497, 51532), (923, 27748), (991, 25844), (994, 25766), (1846, 13874), (1982, 12922), (1988, 12883), (3692, 6937), (3964, 6461)]