2218788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 6604416

約数和(自身を除く): 4385628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 431, 468, 572, 858, 862, 1287, 1293, 1716, 1724, 2574, 2586, 3879, 4741, 5148, 5172, 5603, 7758, 9482, 11206, 14223, 15516, 16809, 18964, 22412, 28446, 33618, 42669, 50427, 56892, 61633, 67236, 85338, 100854, 123266, 170676, 184899, 201708, 246532, 369798, 554697, 739596, 1109394, 2218788]

約数ペア:

[(1, 2218788), (2, 1109394), (3, 739596), (4, 554697), (6, 369798), (9, 246532), (11, 201708), (12, 184899), (13, 170676), (18, 123266), (22, 100854), (26, 85338), (33, 67236), (36, 61633), (39, 56892), (44, 50427), (52, 42669), (66, 33618), (78, 28446), (99, 22412), (117, 18964), (132, 16809), (143, 15516), (156, 14223), (198, 11206), (234, 9482), (286, 7758), (396, 5603), (429, 5172), (431, 5148), (468, 4741), (572, 3879), (858, 2586), (862, 2574), (1287, 1724), (1293, 1716)]