28421974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 51710976

約数和(自身を除く): 23289002

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 1447, 2806, 2894, 9821, 10129, 19642, 20258, 33281, 66562, 88267, 176534, 232967, 465934, 617869, 1235738, 2030141, 4060282, 14210987, 28421974]

約数ペア:

[(1, 28421974), (2, 14210987), (7, 4060282), (14, 2030141), (23, 1235738), (46, 617869), (61, 465934), (122, 232967), (161, 176534), (322, 88267), (427, 66562), (854, 33281), (1403, 20258), (1447, 19642), (2806, 10129), (2894, 9821)]