12872587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 17200512

約数和(自身を除く): 4327925

約数列:

[1, 7, 13, 17, 53, 91, 119, 157, 221, 371, 689, 901, 1099, 1547, 2041, 2669, 4823, 6307, 8321, 11713, 14287, 18683, 34697, 58247, 81991, 108173, 141457, 242879, 757211, 990199, 1838941, 12872587]

約数ペア:

[(1, 12872587), (7, 1838941), (13, 990199), (17, 757211), (53, 242879), (91, 141457), (119, 108173), (157, 81991), (221, 58247), (371, 34697), (689, 18683), (901, 14287), (1099, 11713), (1547, 8321), (2041, 6307), (2669, 4823)]