663442

素因数分解:

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

素因数の和:130

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 546158

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 79, 158, 221, 247, 323, 442, 494, 646, 1027, 1343, 1501, 2054, 2686, 3002, 4199, 8398, 17459, 19513, 25517, 34918, 39026, 51034, 331721, 663442]

約数ペア:

[(1, 663442), (2, 331721), (13, 51034), (17, 39026), (19, 34918), (26, 25517), (34, 19513), (38, 17459), (79, 8398), (158, 4199), (221, 3002), (247, 2686), (323, 2054), (442, 1501), (494, 1343), (646, 1027)]