1641247779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 2483965440

約数和(自身を除く): 842717661

約数列:

[1, 3, 17, 29, 43, 51, 87, 129, 131, 197, 393, 493, 591, 731, 1247, 1479, 2193, 2227, 3349, 3741, 3799, 5633, 5713, 6681, 8471, 10047, 11397, 16899, 17139, 21199, 25413, 25807, 63597, 64583, 77421, 95761, 97121, 144007, 163357, 193749, 245659, 287283, 291363, 432021, 438719, 490071, 736977, 748403, 1109701, 1316157, 2245209, 2777069, 3329103, 4176203, 8331207, 12528609, 12722851, 18864917, 32181329, 38168553, 56594751, 96543987, 547082593, 1641247779]

約数ペア:

[(1, 1641247779), (3, 547082593), (17, 96543987), (29, 56594751), (43, 38168553), (51, 32181329), (87, 18864917), (129, 12722851), (131, 12528609), (197, 8331207), (393, 4176203), (493, 3329103), (591, 2777069), (731, 2245209), (1247, 1316157), (1479, 1109701), (2193, 748403), (2227, 736977), (3349, 490071), (3741, 438719), (3799, 432021), (5633, 291363), (5713, 287283), (6681, 245659), (8471, 193749), (10047, 163357), (11397, 144007), (16899, 97121), (17139, 95761), (21199, 77421), (25413, 64583), (25807, 63597)]