25321436

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 55502496

約数和(自身を除く): 30181060

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 49, 82, 92, 98, 137, 161, 164, 196, 274, 287, 322, 548, 574, 644, 943, 959, 1127, 1148, 1886, 1918, 2009, 2254, 3151, 3772, 3836, 4018, 4508, 5617, 6302, 6601, 6713, 8036, 11234, 12604, 13202, 13426, 22057, 22468, 26404, 26852, 39319, 44114, 46207, 78638, 88228, 92414, 129191, 154399, 157276, 184828, 258382, 275233, 308798, 516764, 550466, 617596, 904337, 1100932, 1808674, 3617348, 6330359, 12660718, 25321436]

約数ペア:

[(1, 25321436), (2, 12660718), (4, 6330359), (7, 3617348), (14, 1808674), (23, 1100932), (28, 904337), (41, 617596), (46, 550466), (49, 516764), (82, 308798), (92, 275233), (98, 258382), (137, 184828), (161, 157276), (164, 154399), (196, 129191), (274, 92414), (287, 88228), (322, 78638), (548, 46207), (574, 44114), (644, 39319), (943, 26852), (959, 26404), (1127, 22468), (1148, 22057), (1886, 13426), (1918, 13202), (2009, 12604), (2254, 11234), (3151, 8036), (3772, 6713), (3836, 6601), (4018, 6302), (4508, 5617)]