25004817

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 15430383

約数列:

[1, 3, 9, 19, 31, 53, 57, 89, 93, 159, 171, 267, 279, 477, 589, 801, 1007, 1643, 1691, 1767, 2759, 3021, 4717, 4929, 5073, 5301, 8277, 9063, 14151, 14787, 15219, 24831, 31217, 42453, 52421, 89623, 93651, 146227, 157263, 268869, 280953, 438681, 471789, 806607, 1316043, 2778313, 8334939, 25004817]

約数ペア:

[(1, 25004817), (3, 8334939), (9, 2778313), (19, 1316043), (31, 806607), (53, 471789), (57, 438681), (89, 280953), (93, 268869), (159, 157263), (171, 146227), (267, 93651), (279, 89623), (477, 52421), (589, 42453), (801, 31217), (1007, 24831), (1643, 15219), (1691, 14787), (1767, 14151), (2759, 9063), (3021, 8277), (4717, 5301), (4929, 5073)]