28120848

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 83804160

約数和(自身を除く): 55683312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 127, 168, 254, 336, 381, 508, 659, 762, 889, 1016, 1318, 1524, 1778, 1977, 2032, 2636, 2667, 3048, 3556, 3954, 4613, 5272, 5334, 6096, 7112, 7908, 9226, 10544, 10668, 13839, 14224, 15816, 18452, 21336, 27678, 31632, 36904, 42672, 55356, 73808, 83693, 110712, 167386, 221424, 251079, 334772, 502158, 585851, 669544, 1004316, 1171702, 1339088, 1757553, 2008632, 2343404, 3515106, 4017264, 4686808, 7030212, 9373616, 14060424, 28120848]

約数ペア:

[(1, 28120848), (2, 14060424), (3, 9373616), (4, 7030212), (6, 4686808), (7, 4017264), (8, 3515106), (12, 2343404), (14, 2008632), (16, 1757553), (21, 1339088), (24, 1171702), (28, 1004316), (42, 669544), (48, 585851), (56, 502158), (84, 334772), (112, 251079), (127, 221424), (168, 167386), (254, 110712), (336, 83693), (381, 73808), (508, 55356), (659, 42672), (762, 36904), (889, 31632), (1016, 27678), (1318, 21336), (1524, 18452), (1778, 15816), (1977, 14224), (2032, 13839), (2636, 10668), (2667, 10544), (3048, 9226), (3556, 7908), (3954, 7112), (4613, 6096), (5272, 5334)]