261617246

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 456175104

約数和(自身を除く): 194557858

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 121, 242, 341, 473, 682, 811, 946, 1333, 1622, 2666, 3751, 5203, 7502, 8921, 10406, 14663, 17842, 25141, 29326, 34873, 50282, 69746, 98131, 161293, 196262, 276551, 322586, 383603, 553102, 767206, 1081063, 2162126, 3042061, 4219633, 6084122, 8439266, 11891693, 23783386, 130808623, 261617246]

約数ペア:

[(1, 261617246), (2, 130808623), (11, 23783386), (22, 11891693), (31, 8439266), (43, 6084122), (62, 4219633), (86, 3042061), (121, 2162126), (242, 1081063), (341, 767206), (473, 553102), (682, 383603), (811, 322586), (946, 276551), (1333, 196262), (1622, 161293), (2666, 98131), (3751, 69746), (5203, 50282), (7502, 34873), (8921, 29326), (10406, 25141), (14663, 17842)]