28706238

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 71351280

約数和(自身を除く): 42645042

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 89, 99, 162, 178, 181, 198, 267, 297, 362, 534, 543, 594, 801, 891, 979, 1086, 1602, 1629, 1782, 1958, 1991, 2403, 2937, 3258, 3982, 4806, 4887, 5874, 5973, 7209, 8811, 9774, 11946, 14418, 14661, 16109, 17622, 17919, 26433, 29322, 32218, 35838, 48327, 52866, 53757, 79299, 96654, 107514, 144981, 158598, 161271, 177199, 289962, 322542, 354398, 434943, 531597, 869886, 1063194, 1304829, 1594791, 2609658, 3189582, 4784373, 9568746, 14353119, 28706238]

約数ペア:

[(1, 28706238), (2, 14353119), (3, 9568746), (6, 4784373), (9, 3189582), (11, 2609658), (18, 1594791), (22, 1304829), (27, 1063194), (33, 869886), (54, 531597), (66, 434943), (81, 354398), (89, 322542), (99, 289962), (162, 177199), (178, 161271), (181, 158598), (198, 144981), (267, 107514), (297, 96654), (362, 79299), (534, 53757), (543, 52866), (594, 48327), (801, 35838), (891, 32218), (979, 29322), (1086, 26433), (1602, 17919), (1629, 17622), (1782, 16109), (1958, 14661), (1991, 14418), (2403, 11946), (2937, 9774), (3258, 8811), (3982, 7209), (4806, 5973), (4887, 5874)]