128271437

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 160634880

約数和(自身を除く): 32363443

約数列:

[1, 7, 23, 29, 83, 161, 203, 331, 581, 667, 1909, 2317, 2407, 4669, 7613, 9599, 13363, 16849, 27473, 53291, 55361, 67193, 192311, 220777, 387527, 631879, 796717, 1545439, 4423153, 5577019, 18324491, 128271437]

約数ペア:

[(1, 128271437), (7, 18324491), (23, 5577019), (29, 4423153), (83, 1545439), (161, 796717), (203, 631879), (331, 387527), (581, 220777), (667, 192311), (1909, 67193), (2317, 55361), (2407, 53291), (4669, 27473), (7613, 16849), (9599, 13363)]