428639992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{7369}}^1$

素因数の和:8047

約数の個数: 32

約数和(自身を含む): 878209200

約数和(自身を除く): 449569208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 661, 1322, 2644, 5288, 7271, 7369, 14542, 14738, 29084, 29476, 58168, 58952, 81059, 162118, 324236, 648472, 4870909, 9741818, 19483636, 38967272, 53579999, 107159998, 214319996, 428639992]

約数ペア:

[(1, 428639992), (2, 214319996), (4, 107159998), (8, 53579999), (11, 38967272), (22, 19483636), (44, 9741818), (88, 4870909), (661, 648472), (1322, 324236), (2644, 162118), (5288, 81059), (7271, 58952), (7369, 58168), (14542, 29476), (14738, 29084)]