39878644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 79905280

約数和(自身を除く): 40026636

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 181, 223, 247, 362, 446, 494, 724, 892, 988, 2353, 2899, 3439, 4237, 4706, 5798, 6878, 8474, 9412, 11596, 13756, 16948, 40363, 44707, 55081, 80726, 89414, 110162, 161452, 178828, 220324, 524719, 766897, 1049438, 1533794, 2098876, 3067588, 9969661, 19939322, 39878644]

約数ペア:

[(1, 39878644), (2, 19939322), (4, 9969661), (13, 3067588), (19, 2098876), (26, 1533794), (38, 1049438), (52, 766897), (76, 524719), (181, 220324), (223, 178828), (247, 161452), (362, 110162), (446, 89414), (494, 80726), (724, 55081), (892, 44707), (988, 40363), (2353, 16948), (2899, 13756), (3439, 11596), (4237, 9412), (4706, 8474), (5798, 6878)]