447978314

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2067

約数の個数: 64

約数和(自身を含む): 866764800

約数和(自身を除く): 418786486

約数列:

[1, 2, 7, 14, 19, 23, 37, 38, 46, 74, 133, 161, 259, 266, 322, 437, 518, 703, 851, 874, 1406, 1702, 1979, 3059, 3958, 4921, 5957, 6118, 9842, 11914, 13853, 16169, 27706, 32338, 37601, 45517, 73223, 75202, 91034, 113183, 146446, 226366, 263207, 318619, 512561, 526414, 637238, 864823, 1025122, 1391237, 1684129, 1729646, 2782474, 3368258, 6053761, 9738659, 11788903, 12107522, 19477318, 23577806, 31998451, 63996902, 223989157, 447978314]

約数ペア:

[(1, 447978314), (2, 223989157), (7, 63996902), (14, 31998451), (19, 23577806), (23, 19477318), (37, 12107522), (38, 11788903), (46, 9738659), (74, 6053761), (133, 3368258), (161, 2782474), (259, 1729646), (266, 1684129), (322, 1391237), (437, 1025122), (518, 864823), (703, 637238), (851, 526414), (874, 512561), (1406, 318619), (1702, 263207), (1979, 226366), (3059, 146446), (3958, 113183), (4921, 91034), (5957, 75202), (6118, 73223), (9842, 45517), (11914, 37601), (13853, 32338), (16169, 27706)]