291188018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 483105600

約数和(自身を除く): 191917582

約数列:

[1, 2, 11, 22, 149, 211, 298, 421, 422, 842, 1639, 2321, 3278, 4631, 4642, 9262, 31439, 62729, 62878, 88831, 125458, 177662, 345829, 690019, 691658, 977141, 1380038, 1954282, 13235819, 26471638, 145594009, 291188018]

約数ペア:

[(1, 291188018), (2, 145594009), (11, 26471638), (22, 13235819), (149, 1954282), (211, 1380038), (298, 977141), (421, 691658), (422, 690019), (842, 345829), (1639, 177662), (2321, 125458), (3278, 88831), (4631, 62878), (4642, 62729), (9262, 31439)]