28681906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 50284800

約数和(自身を除く): 21602894

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 1121, 1163, 1298, 2242, 2326, 12331, 12793, 22097, 24662, 25586, 44194, 68617, 137234, 243067, 486134, 754787, 1303723, 1509574, 2607446, 14340953, 28681906]

約数ペア:

[(1, 28681906), (2, 14340953), (11, 2607446), (19, 1509574), (22, 1303723), (38, 754787), (59, 486134), (118, 243067), (209, 137234), (418, 68617), (649, 44194), (1121, 25586), (1163, 24662), (1298, 22097), (2242, 12793), (2326, 12331)]