28376842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24845558

約数列:

[1, 2, 13, 17, 19, 26, 31, 34, 38, 62, 109, 218, 221, 247, 323, 403, 442, 494, 527, 589, 646, 806, 1054, 1178, 1417, 1853, 2071, 2834, 3379, 3706, 4142, 4199, 6758, 6851, 7657, 8398, 10013, 13702, 15314, 20026, 24089, 26923, 35207, 43927, 48178, 53846, 57443, 64201, 70414, 87854, 114886, 128402, 130169, 260338, 457691, 746759, 834613, 915382, 1091417, 1493518, 1669226, 2182834, 14188421, 28376842]

約数ペア:

[(1, 28376842), (2, 14188421), (13, 2182834), (17, 1669226), (19, 1493518), (26, 1091417), (31, 915382), (34, 834613), (38, 746759), (62, 457691), (109, 260338), (218, 130169), (221, 128402), (247, 114886), (323, 87854), (403, 70414), (442, 64201), (494, 57443), (527, 53846), (589, 48178), (646, 43927), (806, 35207), (1054, 26923), (1178, 24089), (1417, 20026), (1853, 15314), (2071, 13702), (2834, 10013), (3379, 8398), (3706, 7657), (4142, 6851), (4199, 6758)]