256745196

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{10321}}^1$

素因数の和:11022

約数の個数: 36

約数和(自身を含む): 649996984

約数和(自身を除く): 393251788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 1382, 2073, 2764, 4146, 6219, 8292, 10321, 12438, 20642, 24876, 30963, 41284, 61926, 92889, 123852, 185778, 371556, 7131811, 14263622, 21395433, 28527244, 42790866, 64186299, 85581732, 128372598, 256745196]

約数ペア:

[(1, 256745196), (2, 128372598), (3, 85581732), (4, 64186299), (6, 42790866), (9, 28527244), (12, 21395433), (18, 14263622), (36, 7131811), (691, 371556), (1382, 185778), (2073, 123852), (2764, 92889), (4146, 61926), (6219, 41284), (8292, 30963), (10321, 24876), (12438, 20642)]