289999528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{853}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 671448960

約数和(自身を除く): 381449432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 467, 728, 853, 934, 1706, 1868, 3269, 3412, 3736, 5971, 6071, 6538, 6824, 11089, 11942, 12142, 13076, 22178, 23884, 24284, 26152, 42497, 44356, 47768, 48568, 77623, 84994, 88712, 155246, 169988, 310492, 339976, 398351, 620984, 796702, 1593404, 2788457, 3186808, 5178563, 5576914, 10357126, 11153828, 20714252, 22307656, 36249941, 41428504, 72499882, 144999764, 289999528]

約数ペア:

[(1, 289999528), (2, 144999764), (4, 72499882), (7, 41428504), (8, 36249941), (13, 22307656), (14, 20714252), (26, 11153828), (28, 10357126), (52, 5576914), (56, 5178563), (91, 3186808), (104, 2788457), (182, 1593404), (364, 796702), (467, 620984), (728, 398351), (853, 339976), (934, 310492), (1706, 169988), (1868, 155246), (3269, 88712), (3412, 84994), (3736, 77623), (5971, 48568), (6071, 47768), (6538, 44356), (6824, 42497), (11089, 26152), (11942, 24284), (12142, 23884), (13076, 22178)]