289193128

素因数分解:

$2^3\times 7^1\times {\mathrm{683}}^1\times {\mathrm{7561}}^1$

素因数の和:8257

約数の個数: 32

約数和(自身を含む): 620688960

約数和(自身を除く): 331495832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 683, 1366, 2732, 4781, 5464, 7561, 9562, 15122, 19124, 30244, 38248, 52927, 60488, 105854, 211708, 423416, 5164163, 10328326, 20656652, 36149141, 41313304, 72298282, 144596564, 289193128]

約数ペア:

[(1, 289193128), (2, 144596564), (4, 72298282), (7, 41313304), (8, 36149141), (14, 20656652), (28, 10328326), (56, 5164163), (683, 423416), (1366, 211708), (2732, 105854), (4781, 60488), (5464, 52927), (7561, 38248), (9562, 30244), (15122, 19124)]