128668631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 173150208

約数和(自身を除く): 44481577

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2683, 2821, 3689, 6851, 18781, 34879, 45611, 47957, 83173, 244153, 319277, 582211, 592943, 1081249, 1413941, 4150601, 7568743, 9897587, 18381233, 128668631]

約数ペア:

[(1, 128668631), (7, 18381233), (13, 9897587), (17, 7568743), (31, 4150601), (91, 1413941), (119, 1081249), (217, 592943), (221, 582211), (403, 319277), (527, 244153), (1547, 83173), (2683, 47957), (2821, 45611), (3689, 34879), (6851, 18781)]