2780495276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{11423}}^1$

素因数の和:11622

約数の個数: 48

約数和(自身を含む): 5445500928

約数和(自身を除く): 2665005652

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 151, 302, 403, 604, 806, 1612, 1963, 3926, 4681, 7852, 9362, 11423, 18724, 22846, 45692, 60853, 121706, 148499, 243412, 296998, 354113, 593996, 708226, 1416452, 1724873, 3449746, 4603469, 6899492, 9206938, 18413876, 22423349, 44846698, 53471063, 89693396, 106942126, 213884252, 695123819, 1390247638, 2780495276]

約数ペア:

[(1, 2780495276), (2, 1390247638), (4, 695123819), (13, 213884252), (26, 106942126), (31, 89693396), (52, 53471063), (62, 44846698), (124, 22423349), (151, 18413876), (302, 9206938), (403, 6899492), (604, 4603469), (806, 3449746), (1612, 1724873), (1963, 1416452), (3926, 708226), (4681, 593996), (7852, 354113), (9362, 296998), (11423, 243412), (18724, 148499), (22846, 121706), (45692, 60853)]