28658308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 61035520

約数和(自身を除く): 32377212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 523, 532, 721, 1046, 1442, 1957, 2092, 2884, 3661, 3914, 7322, 7828, 9937, 13699, 14644, 19874, 27398, 39748, 53869, 54796, 69559, 107738, 139118, 215476, 278236, 377083, 754166, 1023511, 1508332, 2047022, 4094044, 7164577, 14329154, 28658308]

約数ペア:

[(1, 28658308), (2, 14329154), (4, 7164577), (7, 4094044), (14, 2047022), (19, 1508332), (28, 1023511), (38, 754166), (76, 377083), (103, 278236), (133, 215476), (206, 139118), (266, 107738), (412, 69559), (523, 54796), (532, 53869), (721, 39748), (1046, 27398), (1442, 19874), (1957, 14644), (2092, 13699), (2884, 9937), (3661, 7828), (3914, 7322)]