208767559

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 287553024

約数和(自身を除く): 78785465

約数列:

[1, 7, 11, 13, 61, 77, 91, 143, 169, 263, 427, 671, 793, 1001, 1183, 1841, 1859, 2893, 3419, 4697, 5551, 8723, 10309, 13013, 16043, 20251, 23933, 37609, 44447, 61061, 72163, 112301, 113399, 176473, 208559, 263263, 311129, 488917, 793793, 1235311, 1459913, 2294149, 2711267, 3422419, 16059043, 18978869, 29823937, 208767559]

約数ペア:

[(1, 208767559), (7, 29823937), (11, 18978869), (13, 16059043), (61, 3422419), (77, 2711267), (91, 2294149), (143, 1459913), (169, 1235311), (263, 793793), (427, 488917), (671, 311129), (793, 263263), (1001, 208559), (1183, 176473), (1841, 113399), (1859, 112301), (2893, 72163), (3419, 61061), (4697, 44447), (5551, 37609), (8723, 23933), (10309, 20251), (13013, 16043)]