204521274

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 80

約数和(自身を含む): 475893000

約数和(自身を除く): 271371726

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 149, 162, 222, 229, 298, 333, 447, 458, 666, 687, 894, 999, 1341, 1374, 1998, 2061, 2682, 2997, 4023, 4122, 5513, 5994, 6183, 8046, 8473, 11026, 12069, 12366, 16539, 16946, 18549, 24138, 25419, 33078, 34121, 37098, 49617, 50838, 68242, 76257, 99234, 102363, 148851, 152514, 204726, 228771, 297702, 307089, 446553, 457542, 614178, 686313, 893106, 921267, 1262477, 1372626, 1842534, 2524954, 2763801, 3787431, 5527602, 7574862, 11362293, 22724586, 34086879, 68173758, 102260637, 204521274]

約数ペア:

[(1, 204521274), (2, 102260637), (3, 68173758), (6, 34086879), (9, 22724586), (18, 11362293), (27, 7574862), (37, 5527602), (54, 3787431), (74, 2763801), (81, 2524954), (111, 1842534), (149, 1372626), (162, 1262477), (222, 921267), (229, 893106), (298, 686313), (333, 614178), (447, 457542), (458, 446553), (666, 307089), (687, 297702), (894, 228771), (999, 204726), (1341, 152514), (1374, 148851), (1998, 102363), (2061, 99234), (2682, 76257), (2997, 68242), (4023, 50838), (4122, 49617), (5513, 37098), (5994, 34121), (6183, 33078), (8046, 25419), (8473, 24138), (11026, 18549), (12069, 16946), (12366, 16539)]