12239885

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 17971200

約数和(自身を除く): 5731315

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 389, 899, 1015, 1085, 1945, 2723, 4495, 6293, 11281, 12059, 13615, 31465, 56405, 60295, 78967, 84413, 349711, 394835, 422065, 1748555, 2447977, 12239885]

約数ペア:

[(1, 12239885), (5, 2447977), (7, 1748555), (29, 422065), (31, 394835), (35, 349711), (145, 84413), (155, 78967), (203, 60295), (217, 56405), (389, 31465), (899, 13615), (1015, 12059), (1085, 11281), (1945, 6293), (2723, 4495)]