258697972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 496213200

約数和(自身を除く): 237515228

約数列:

[1, 2, 4, 13, 26, 52, 149, 173, 193, 298, 346, 386, 596, 692, 772, 1937, 2249, 2509, 3874, 4498, 5018, 7748, 8996, 10036, 25777, 28757, 33389, 51554, 57514, 66778, 103108, 115028, 133556, 335101, 373841, 434057, 670202, 747682, 868114, 1340404, 1495364, 1736228, 4974961, 9949922, 19899844, 64674493, 129348986, 258697972]

約数ペア:

[(1, 258697972), (2, 129348986), (4, 64674493), (13, 19899844), (26, 9949922), (52, 4974961), (149, 1736228), (173, 1495364), (193, 1340404), (298, 868114), (346, 747682), (386, 670202), (596, 434057), (692, 373841), (772, 335101), (1937, 133556), (2249, 115028), (2509, 103108), (3874, 66778), (4498, 57514), (5018, 51554), (7748, 33389), (8996, 28757), (10036, 25777)]