1990326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 2848074

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 79, 102, 114, 158, 221, 237, 247, 323, 442, 474, 494, 646, 663, 741, 969, 1027, 1326, 1343, 1482, 1501, 1938, 2054, 2686, 3002, 3081, 4029, 4199, 4503, 6162, 8058, 8398, 9006, 12597, 17459, 19513, 25194, 25517, 34918, 39026, 51034, 52377, 58539, 76551, 104754, 117078, 153102, 331721, 663442, 995163, 1990326]

約数ペア:

[(1, 1990326), (2, 995163), (3, 663442), (6, 331721), (13, 153102), (17, 117078), (19, 104754), (26, 76551), (34, 58539), (38, 52377), (39, 51034), (51, 39026), (57, 34918), (78, 25517), (79, 25194), (102, 19513), (114, 17459), (158, 12597), (221, 9006), (237, 8398), (247, 8058), (323, 6162), (442, 4503), (474, 4199), (494, 4029), (646, 3081), (663, 3002), (741, 2686), (969, 2054), (1027, 1938), (1326, 1501), (1343, 1482)]