28126476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 81768960

約数和(自身を除く): 53642484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 467, 478, 717, 934, 956, 1401, 1434, 1673, 1868, 2151, 2802, 2868, 3269, 3346, 4203, 4302, 5019, 5604, 6538, 6692, 8406, 8604, 9807, 10038, 13076, 15057, 16812, 19614, 20076, 29421, 30114, 39228, 58842, 60228, 111613, 117684, 223226, 334839, 446452, 669678, 781291, 1004517, 1339356, 1562582, 2009034, 2343873, 3125164, 4018068, 4687746, 7031619, 9375492, 14063238, 28126476]

約数ペア:

[(1, 28126476), (2, 14063238), (3, 9375492), (4, 7031619), (6, 4687746), (7, 4018068), (9, 3125164), (12, 2343873), (14, 2009034), (18, 1562582), (21, 1339356), (28, 1004517), (36, 781291), (42, 669678), (63, 446452), (84, 334839), (126, 223226), (239, 117684), (252, 111613), (467, 60228), (478, 58842), (717, 39228), (934, 30114), (956, 29421), (1401, 20076), (1434, 19614), (1673, 16812), (1868, 15057), (2151, 13076), (2802, 10038), (2868, 9807), (3269, 8604), (3346, 8406), (4203, 6692), (4302, 6538), (5019, 5604)]