207905971

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 280615104

約数和(自身を除く): 72709133

約数列:

[1, 7, 13, 17, 49, 73, 91, 119, 221, 263, 511, 637, 833, 949, 1241, 1547, 1841, 3419, 3577, 4471, 6643, 8687, 10829, 12887, 16133, 19199, 23933, 31297, 46501, 58123, 60809, 112931, 134393, 167531, 219079, 249587, 326383, 406861, 790517, 940751, 1747109, 2284681, 2848027, 4242979, 12229763, 15992767, 29700853, 207905971]

約数ペア:

[(1, 207905971), (7, 29700853), (13, 15992767), (17, 12229763), (49, 4242979), (73, 2848027), (91, 2284681), (119, 1747109), (221, 940751), (263, 790517), (511, 406861), (637, 326383), (833, 249587), (949, 219079), (1241, 167531), (1547, 134393), (1841, 112931), (3419, 60809), (3577, 58123), (4471, 46501), (6643, 31297), (8687, 23933), (10829, 19199), (12887, 16133)]