28711254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 68302080

約数和(自身を除く): 39590826

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 109, 143, 218, 286, 307, 327, 429, 614, 654, 858, 921, 1199, 1417, 1842, 2398, 2834, 3377, 3597, 3991, 4251, 6754, 7194, 7982, 8502, 10131, 11973, 15587, 20262, 23946, 31174, 33463, 43901, 46761, 66926, 87802, 93522, 100389, 131703, 200778, 263406, 368093, 435019, 736186, 870038, 1104279, 1305057, 2208558, 2610114, 4785209, 9570418, 14355627, 28711254]

約数ペア:

[(1, 28711254), (2, 14355627), (3, 9570418), (6, 4785209), (11, 2610114), (13, 2208558), (22, 1305057), (26, 1104279), (33, 870038), (39, 736186), (66, 435019), (78, 368093), (109, 263406), (143, 200778), (218, 131703), (286, 100389), (307, 93522), (327, 87802), (429, 66926), (614, 46761), (654, 43901), (858, 33463), (921, 31174), (1199, 23946), (1417, 20262), (1842, 15587), (2398, 11973), (2834, 10131), (3377, 8502), (3597, 7982), (3991, 7194), (4251, 6754)]