28408835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 43424640

約数和(自身を除く): 15015805

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2153, 2639, 10765, 13195, 15071, 27989, 62437, 75355, 139945, 195923, 312185, 437059, 811681, 979615, 2185295, 4058405, 5681767, 28408835]

約数ペア:

[(1, 28408835), (5, 5681767), (7, 4058405), (13, 2185295), (29, 979615), (35, 811681), (65, 437059), (91, 312185), (145, 195923), (203, 139945), (377, 75355), (455, 62437), (1015, 27989), (1885, 15071), (2153, 13195), (2639, 10765)]