28748216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37779784

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 56, 76, 82, 133, 152, 164, 266, 287, 328, 532, 574, 659, 779, 1064, 1148, 1318, 1558, 2296, 2636, 3116, 4613, 5272, 5453, 6232, 9226, 10906, 12521, 18452, 21812, 25042, 27019, 36904, 43624, 50084, 54038, 87647, 100168, 108076, 175294, 189133, 216152, 350588, 378266, 513361, 701176, 756532, 1026722, 1513064, 2053444, 3593527, 4106888, 7187054, 14374108, 28748216]

約数ペア:

[(1, 28748216), (2, 14374108), (4, 7187054), (7, 4106888), (8, 3593527), (14, 2053444), (19, 1513064), (28, 1026722), (38, 756532), (41, 701176), (56, 513361), (76, 378266), (82, 350588), (133, 216152), (152, 189133), (164, 175294), (266, 108076), (287, 100168), (328, 87647), (532, 54038), (574, 50084), (659, 43624), (779, 36904), (1064, 27019), (1148, 25042), (1318, 21812), (1558, 18452), (2296, 12521), (2636, 10906), (3116, 9226), (4613, 6232), (5272, 5453)]